Jacuzzi LCD Series, Troubleshooting Manual

Page 1: ...STANDARD TROUBLESHOOTING APPROACH S T A MANUAL 2014 LED SERIES www guillens com 800 222 7855 Guillen s Enterprises inc jacuzziparts com 800 222 7855 ...

Page 2: ... for your protection Always use extreme cau tion whenever performing repairs to electrical control system components of any kind DANGER Electrical Shock Hazard Exists High Voltage Present on Circuit Board Use Extreme Caution while Servicing Circuit Board ...

Page 3: ...ate Jet Pumps 5 4 3 Light On Off Button 5 4 4 Light Mode Button 5 4 5 Jets 6 4 6 Selecting Desired Massage Action 6 4 7 Waterfall Feature 6 4 8 Air Controls 6 5 0 Standard Programming Functions 7 5 1 Menu Programs Button 7 5 2 Primary Filtration Program 8 5 3 Change Filter Timer Program 9 5 4 Secondary Filtration Program 9 5 5 CLEARRAY Program 10 5 6 Economy Mode 10 5 7 Lock Mode 11 5 8 Top Menu L...

Page 4: ...ums and Will Not Start 32 8 15 SERVICE BULLETIN 2014 J 300 Summer Logic Upgrade July 29 2014 33 8 16 MicroChip Replacement Procedure 34 8 17 48 Frame Jet Pump Change 35 APPENDIX 36 A1 Checking Voltage to Hot Tub 37 A2 Checking Current Consumption of Devices 38 A3 Checking Voltages to Devices 39 A4 Testing Flow Switch 40 A5 About Fuses 40 A6 The Watchdog 41 A7 Understanding Sanitizers 41 A8 Underst...

Page 5: ...service low and profit margin high also creates customer satisfaction That s being a professional 1 4 Before Leaving the Shop Phone the customer s personally if possible and ask what problem s should be corrected This may not tell you what work must be done or what part s must be replaced but it will tell you what you must fix after you arrive 1 5 Fixing the Hot Tub Use the S T A to see how the Te...

Page 6: ... you service Compliment custom ers on the things they are doing right Tell them how their care and attention can stop trouble before it starts Mention if you noticed any adverse conditions especially in hot tub s under warranty or con tract that could lead to failure Can the customer correct the problem Would they like you to correct it Can you recommend someone Would they like an estimate Think o...

Page 7: ...ic protective bags 2 3 What About Wrist Straps and Special Mats The purpose of these devices is to keep the technician the work surface and the circuit board at the same electrical potential and to drain into ground any static charges which might build up Proper use of the wrist strap and special mat guarantees maximum protection against E S D damage 2 4 Must Wrist Straps and Mats be Used When Rep...

Page 8: ...r modes for waterfall cup holders and backlit pil lows E Cooler Button Decreases water temperature setpoint F Warmer Button Increases water temperature setpoint G Jets 1 Button Turns high speed jets pump 1 on and off Press once to turn on a second time to turn off H Jets 2 Button J335 to J385 Turns high speed jets pump 2 on and off Press once to turn on a second time to turn off I Menu Button Allo...

Page 9: ...e decimal point after the last digit will flash on and off every second as an indicator for being in the overtemp mode Note Once the temperature goes below 104 F 40 C and you would like to raise the temperature to 106 F 41 C again you will have to repeat the steps above 4 2 Activate Jet Pumps The JETS 1 button activates jets pump 1 The first press turns jets pump 1 on the second press turns jets p...

Page 10: ...evels within the valve to increase between these positions due to the large amounts of water flowing through it For optimum filtration benefits always leave this valve in position A when the spa is covered and select positions B or C for maximum jet performance during spa use 4 7 Waterfall Feature The waterfall feature allows you to independently control it for a customized soothing effect The wat...

Page 11: ...is feature is programmable Press 3x CLEARRAY Menu Allows access to the CLEARRAY bulb re placement countdown timer Your spa is equipped with the CLEARRAY system that uses a UV bulb to purify the water This bulb must be replaced every year By programming the countdown timer a reminder is displayed on the topside when it is time to replace the bulb The LED screen will flash between blb and the set te...

Page 12: ... are acti vated The factory default setting is PF2 This setting is programmable Note The circulation pump also supplies heated water to the spa when the heater turns on Any time the circulation pump runs outside of a programmed cycle except for PF0 and PF6 that run time will reduce the length of the next cycle C For Models J315 and J325 Your new spa includes a 24 hour primary filtration system whi...

Page 13: ...me expires The LED screen will flash between 0 and 5 4 Secondary Filtration Program The jets pump 1 activates during the secondary filtration to provide additional skimming The spa is programmed with a default setting of SF0 but can be programmed to any of the cycle settings listed below Figure 5 These cycles schedule the jets pump 1 to run for a preset amount of time per day in addition to normal...

Page 14: ...tes if the programmed water temperature is reached The Secondary Filtration program determines the number of cycles from 1 to 4 that the heater will be allowed to activate For example if you have programmed the SF3 setting 10 minutes of filtration every 6 hours then the heater will run for a maximum of 30 minutes after the end of each of the 10 minute secondary filtration cycle for up to four time...

Page 15: ... follows or Press once The new selection will blink twice on the display to confirm your selec tion 5 8 Top Menu Lock Follow the steps below to access the program The Top Menu Lock gives you the option to lock the programming menus of the spa You can lock the Menu access button When the lock feature is activated access to the Primary Filtration Secondary Filtration CLEARRAY Economy and Lock progra...

Page 16: ...es 2 Pump Operation Pins 3 4 Jumper OFF Enables 1 Pump Operation Pins 5 6 Jumper ON 40A logic Remove JP1 1 2 Jumper allow heater to operate with both jets pumps running in high speed Pins 5 6 Jumper OFF Leave off for 20A or 30A logic setting Pins 7 8 Jumper ON Enables Celsius C temperature display Pins 7 8 Jumper OFF Enables Fahrenheit F temperature display 6 3 Circuit Board Jumpers All North Amer...

Page 17: ...ets pump 1 is running in high speed This is the factory default Pins 1 2 Jumper OFF Enables 30A logic allows heater to operate when jets pump 1 is running in high speed Pins 3 4 Jumper ON Enables 2 Pump Operation 2 pump models only Pins 3 4 Jumper OFF Enables 1 Pump Operation Pins 5 6 Jumper ON Not Used Pins 5 6 Jumper OFF Not Used Pins 7 8 Jumper ON Enables Celsius C temperature display Pins 7 8 ...

Page 18: ...faults back to actual water temperature 7 3 Control Panel Status and Error Messages CF Clean Filter All Models The clean filter timer has expired The spa filters need to be cleaned or replaced The message will flash between CF and the water temperature The countdown timer for the Change Filter feature needs to be reset New filters can be purchased from a local Jacuzzi dealer SN1 Nonfunctional Hi l...

Page 19: ...es then turn off Then the circulation pump and the heater will acti vate for 10 minutes The two cycles shall repeat until the water temperature reaches 65 F 18 33 C OH Overheat Condition All Models Water temperature is above acceptable limits DO NOT ENTER HOT TUB WATER Water temperature has reached 116 F 47 C and the low speed pump has activated to circulate water through the heater to cool it dow...

Page 20: ...itting The switch s flow arrow must be parallel to tee fitting as shown Fig 1 Test system operation If condition corrects skip steps B C B Remove switch from fitting making note of the number of turns revolutions it takes to do so Visually inspect switch for debris interference or damage If debris is present remove debris then install switch with the same number of turns as originally installed Te...

Page 21: ...rrent consumption values Check heater element with clamp on ammeter around one of the heater element wires Is the heater s current draw within 10 of the listed value Locate thermal switch inside the heater box Set voltage meter to 500 1000 VAC range Test thermal switch by connecting voltage meter across the terminals with a heat call present Fig 3 If 120 VAC or 240 VAC exists the switch is open If...

Page 22: ...nstall switch making sure flow arrow points in direction of flow and switch doesn t bottom out in fitting Fig 7 Retest system Is wire shorted Replace wire Make sure wire is not shorted when installed on switch For models where the wire is removable Replace flow switch Replace circuit board Yes No No Yes Yes Yes No No Fig 4 Fig 5 Infinite Ω Continuity 0 Ω Fig 6 FLOW Incorrect Orientation Correct Or...

Page 23: ...imary Filtration Cycle PF1 PF8 page 8 Set temperature high enough to initiate a heat call Is voltage from circuit board to circulation pump ok Test point 14 and 15 See page 43 46 Note Refer to voltage and current charts on appendix pages 36 38 for expected voltage current readings Is connection ok from circuit board to pump Replace pump Repair connection Replace circuit board Call an electrician N...

Page 24: ...sappear Repair or replace flow sensor cable Remove flow switch and inspect for debris blockage Remove blockage or replace switch Re install flow switch Install flow switch with arrow pointing in direction of flow Make sure magnet arm doesn t bottom out in fitting Fig 10 See Section 8 12 pg 31 Replace circuit board No Yes Lightly scrape contact pins at point 22 with a razor blade or sandpaper to re...

Page 25: ...tub in primary filtration mode pg 8 Set temperature high enough to initiated a heat call Remove power to hot tub then plug in a spare control panel Turn power on Does indicator work now Replace control panel Verify that flow switch padde is not bouncing and address possible restriction problems Jump out flow switch pins at board Does heat indicator come on Replace circuit board No No Yes Yes ...

Page 26: ...ms check out ask the customer if the SN2 error has ever displayed If the SN2 error message has displayed replace temperature sensor 6 Tell the customer what you have done that you are not sure the problem has been fixed and that you want to be called immediately if the problem returns Explain what you will do if the problem returns Check back with the customer in a few days if you haven t been con...

Page 27: ...within two minutes after applying power Refer to Sec tions 5 2 5 4 page 8 If filter cycle starts approximately two minutes after setting no correc tive action is required If filter cycle does not start two minutes after setting replace circuit board 8 5 House Breaker Trips The hot tubs current draw will vary depending on how the circuit board is jumpered Jumper options determine whether multiple f...

Page 28: ... J4 F1 JP1 4 2 3 1 6 5 8 7 J20 K1 K2 K3 K4 K5 K6 K7 K8 J21 J11 J12 J13 J14 J15 J16 J17 J18 J19 J8 J9 J10 J7 3 82 TRANSFORMER T1 Red Wire 12vAC Constant Voltage DCU Unit Mini Din Cable provides constant 12 VAC from yellow transformer wires 2014 DCU Diagram DCU wires splice into the yellow transformer wires 4 2 3 1 6 5 8 7 ...

Page 29: ... and perform the same test as with the previous light Continue to follow this procedure until all lights have been tested Step 4 Now replace DCU and any lights that were determined to perform incorrectly Plug in spare con trol panel Does the light work now Yes Correct connec tion No Is connection be tween DCU and light ok Yes Yes Replace control panel Replace DCU if light won t turn on or function...

Page 30: ...ss JETS Button to turn on jets pump Do you hear a relay click on the circuit board Is voltage from circuit board to main pump test point correct Check for 240 VAC 120 VAC for convertible J 315 and J 325 models at recommended test points See table at right for a listing of recommended test points Is connection between circuit board and pump OK Replace pump Plug in spare control panel then press JET...

Page 31: ...6 Convertible J 315 and J 325 models only Is there a faint buzzing sound coming from the ozonator s internal high voltage arching chamber Or is there current draw from the ozonator 0 1 Amp Check with clamp on ammeter A faint buzzing sound and or current draw is proof that the ozonator is working Read steps outlined above to ensure customer understands ozone logic Replace ozonator Replace circuit b...

Page 32: ... or 240 VAC present at circuit board CLEARRAY outputs Test points 16 and 17 See pages 43 46 Convertible J 315 and J 325 models only Is there current draw 0 4 Amp on the CLEARRAY Check with clamp on ampmeter Current draw is proof that CLEARRAY is working Read steps outlined above to ensure customer understands the logic Replace circuit board Replace control panel Replace circuit board Turn power of...

Page 33: ...idge clogged or dirty Is the filter cartridge installed correctly Is the weir gate or skimmer operating correctly Clean or replace filter cartridge Take pump housing apart Is debris present in pump impeller Is the impeller broken If pump suction line is clear check for blockage in plumbing on the return side of pump Call Technical Support for assistance in performing this verification step Remove ...

Page 34: ...ecommended test points See table at right for a listing of recommended test points Replace circuit board Is there sufficient voltage connected to hot tub Check for 240 VAC 10 or 120 VAC 10 for convertible J 315 and J 325 models at TB1 test points 1 and 2 Call an electrician to fix problem Check voltage with pump running Is the voltage 240 VAC 10 or 120 VAC 10 for convertible models at test points ...

Page 35: ...rculation Pump Standard Troubleshooting Approach Refer to pages 43 46 for testing points Is 240 VAC 120 VAC for J 315 and J 325 present at pump output Test Points 14 and 15 Make sure circulation pump should be on If pump should be on and there is no voltage at test points change circuit board Current draw is proof that circulation pump is working Read steps above to make sure circulation pump shou...

Page 36: ...rs Another is to ventilate the equipment bay Call technical support for advice on this matter 4 If there seems to be no overheating problem yet the motor keeps cutting out the motor s thermal switch may be bad In this case the pump should be replaced 8 14 Pump 1 Hums and Will Not Start If the pump impeller is not frozen this condition usually indicates a bad start capacitor This component is insid...

Page 37: ...ce However we recommend updating any 2014 J 300 models that are currently in your inventory and replacing the chip when performing a service call for any other reason Dealer inventory of service PC boards shipped prior to 7 15 14 6600 293 295 should be checked and upgraded as needed Chip puller part 6000 190 Chips will be available to ship 7 30 14 Complete instructions for chip replacement will be...

Page 38: ...ory for warranty reinbursement 3 The replacement MicroChip must be installed with the chip notch facing the socket notch on the circuit board as illustrated Figure 4 To install the replacement MicroChip align one row of pins to the circuit board socket holes as illustrated Figure 5 then gently pivot the chip downward into the opposite row of socket holes as illustrated Figure 6 Visually inspect al...

Page 39: ...l not fit Please note the price of our older 48 frame jet pumps will increase to be announced We encourage all dealers and field service technicians to use our new 48 frame jet pumps when repairing spas using this pump size The following table includes a compatibility cross reference for our new 48 frame jet pumps and older 48 frame jet pumps Please inform your entire service staff of this importa...

Page 40: ...36 APPENDIX ...

Page 41: ...l other models are North American 60 Hz are exclusively powered by 240 VAC All Models Export 50 Hz are exclusively powered by 230 VAC 10 see Figure C below Verify All Convertible Models Power Connections as Follows North American Models 120 VAC 60 Hz Fig A Hot to Neutral Measure across test points 1 and 2 with voltmeter for 120 VAC Hot to Ground Test Measure across test points 2 to 23 for 120 VAC ...

Page 42: ...ard to Circuit Board Power In Power In 1 2 TB2 DANGER Electrical Shock Hazard Exists High Voltage Present on Circuit Board Use Extreme Caution while Servicing Circuit Board J300 Collection North American 60 Hz Device Current Consumption 10 Pump 1 High Speed only J 315 J 325 only 9 0A 11 0A Pump 2 High speed only 9 0A 11 0A Heater 1 kW 4 kW Con vertible Models Only 7 0A 9 0A 120 VAC 16 7A 240 VAC H...

Page 43: ...Points Voltage 10 Pump 1 High Speed 6 and 7 240 VAC Pump 2 High Speed 8 and 9 240 VAC Circulation pump 14 and 15 240 VAC Water heater 12 and 13 240 VAC CLEARRAY 16 and 17 240 VAC Ozone generator optional 1 and 5 240 VAC J 315 J 325 Models Device Test Points Voltage 10 Pump 1 High Speed 5 and 7 240 VAC Circulation pump 14 and 15 240 VAC Water heater 12 and 13 240 VAC CLEARRAY 16 and 17 240 VAC Ozon...

Page 44: ...ing is exceeded By selecting different alloys for the fuse element fuses can be made to have their current rating exceeded for a short period of time Such slow blow fuses are excellent for protecting motor circuits where start up currents surge currents are higher than running currents Fuse Part Number 1 Pump J 315 J 325 Models 2 Pump Models 1 Pump Export Models 2 Pump Export Models Main Power 20A...

Page 45: ...ltraviolet light otherwise known as UV C or germicidal light inactivates the microorganisms by disrupting the DNA so that it cannot reproduce and is considered lifeless The ballast is the power supply for the purification sys tem it has two LED indicator lights the green indicating incoming power flow and the red indicating the system is properly working CLEARRAY is standard for all models As the ...

Page 46: ... dead skin cells etc that our bodies deposit in the hot tub will make the water cloudy and uninviting as they decompose These micro scopic contaminants must be burned out or oxidized These oxidation reactions occur simultane ously with reactions known as reduction reactions The balance of these chemical reactions is quite critical and can occur properly only if pH levels are maintained from 7 2 to...

Page 47: ... 4 wire 120 240 VAC operation only JP1 1 2 OFF 40A Logic 4 wire 120 240 VAC operation only JP1 7 8 ON C Temperature Display JP1 7 8 OFF F Temperature Display This device complies with Part 15 of the FCC rules Operation is subject to the following two conditions 1 This device may not cause harmful interference 2 This device must accept any inteference received including interference that may cause ...

Page 48: ...10 This device complies with Part 15 of the FCC rules Operation is subject to the following two conditions 1 This device may not cause harmful interference 2 This device must accept any inteference received including interference that may cause undesired operation Heater 5 5 kW 240 VAC Pump 2 HI WHT BLK J7 Temperature sensor EXTERNAL SERVICE PANEL BOX DISCONNECT MEANS MUST BE LOCATED NO CLOSER THA...

Page 49: ... JP1 1 2 ON 20A Logic Factory Setting JP1 1 2 OFF 30A Logic JP1 7 8 ON Celsius Temperature Display Factory Setting JP1 7 8 OFF Fahrenheit Temperature Display Transformer 230 VAC not offered on all models SPA LIGHT BLU THERM SWITCH 230 VAC 3 Wire Connection 50 Hz 1 Phase Service USE COPPER CONDUCTORS ONLY WIRE SIZE MUST MEET NEC RECOMMENDATIONS AND OR LOCAL CODES AND IS DETERMINED BY MAXIMUM CURREN...

Page 50: ...ter 2 7 kW 230 VAC Logic Jumper Settings JP1 1 2 ON 20A Logic JP1 1 2 OFF 30A Logic JP1 3 4 ON 2 Pump Operation JP1 3 4 OFF 1 Pump Operation JP1 5 6 ON 40A Logic Remove JP1 1 2 Jumper JP1 5 6 OFF Leave Off for 20A or 30A Logic JP1 7 8 ON C Temperature Display JP1 7 8 OFF F Temperature Display SPA LIGHT TB2 BRN BLU not offered on all models WD 0011 Rev A not offered on all models not offered on all...

Page 51: ... Hot 1 Ground Red Pigtail Neutral Bus Ground TB2 TB1 Black White Green Main Service Panel with GFCI Hot Tub Load Box White Black Red 240 VAC 120 VAC White Black Red 240 VAC 2 Pole GFCI Breaker Ground Load Neutral Lug on Breaker 2 Pole Circuit Breaker with 3 Wire Grounded Load Connection 4 Wires to Hot Tub 2 Hot 1 Neutral 1 Ground A B No Load Neutral Wire Note service disconnect not shown in this d...

Page 52: ...l Main Panel Hot Tub Load Box 2 Pole GFCI Breaker Ground No Load Neutral Wire Main Panel with Secondary GFCI Shut Off Box Using a 2 Pole GFCI Breaker with 2 Wire Grounded Connection 3 Wires to Hot Tub 2 Hot 1 Ground C TB1 White Neutral Green Ground White Neutral Green Ground Load Neutral Lug on Breaker GFCI Sub Panel commonly used when recommended GFCI does not install in Main Panel GFCI Sub Panel...

Page 53: ...20 39000 69 8 21 37290 71 6 22 35400 73 4 23 34170 75 2 24 32700 77 0 25 30000 78 8 26 28740 80 6 27 27540 82 4 28 26400 84 2 29 25311 86 0 30 24270 87 8 31 23280 89 0 32 22329 91 4 33 21429 93 2 34 20541 95 0 35 19740 96 8 36 18960 98 6 37 18210 100 4 38 17490 102 2 39 12000 104 0 40 16149 105 8 41 15519 107 6 42 14919 109 4 43 14349 111 2 44 13800 113 0 45 13281 ...

Page 54: ... sure the tine on the pin is lifted so the sensor wire will lock into the connector body FLOW Hi limit Sensor wires Temperature Sensor wires J3 Connector Cable Side Shown while Plugged into Circuit Board J2 Connector Cable Side Shown while Plugged into Circuit Board Connector Side View TINE Hi limit Sensor Temperature Sensor Flow Switch Wires PIN Paper Clip Hi limit Sensor wires Temperature Sensor...

Page 55: ...any type If the hot tub is more than 10 feet from an outlet it must be hard wired to a single pole 15 amp GFCI breaker Refer to pages 43 46 for specific circuit board configurations 240 VAC Power Configuration Convertible models can be hard wired for 4 wire 120 VAC 240 VAC power This configuration powers the heater with 240 VAC while powering both pumps and ozone with 120 VAC An external 30 or 40 ...

Page 56: ...B AUX AUDIO MODE REPEAT RANDOM 1 2 1 2 FM JET DIR DIR B C I A BLUEWAVE stereo with connections H Spade connectors connect to the power supply B Control Panel connection I Power supply located in equipment bay C Antenna connection on stereo J TB1 terminal located in control box D Stereo harness connects to wiring har ness E K Spa speakers connect to wiring harness E Spa wiring harness connects spa ...

Page 57: ...a OFF 2 Disconnect the spade connectors between the power supply I and the spa wiring harness H 3 Turn power to the spa back ON 4 Set your meter to 20 VDC 5 Test across the spade connectors for the power supply I for 12 15 VDC Figure M 6 If voltage is good then the stereo unit is bad If voltage is bad then the power supply is bad Figure K DCV ACV DCA OFF 1000 200 20 2000m 200m 2000k 200k 20k 2000 ...

Page 58: ...etc CD Ozonator A device that produces ozone gas by passing air through a corona dis charge high voltage arc chamber Introduce ozone 24 hours a day until a JETS button is pressed Both filter cycle and ozone production is canceled after a JETS button is pressed and then turn back on approximately 5 min utes after jets turn off Pin Assignments Locations identified by numbers on circuit board Sensor ...

Page 59: ..._____________________________________ Address__________________________________________ Phone ________________ 1 Model of Hot Tub_______________________ 2 Serial Number___________________________ 3 Operating Voltage_______ Input Voltage______ 4 Low Speed Pump Amps______________ 5 Pump with Heater Amps______________ 6 High Speed Pump Amps ______Pump 2 Amps_____ 7 High Speed Pump Heater Amps_______ ...

Page 60: ...Jacuzzi Hot Tubs 14525 Monte Vista Ave Chino CA 91710 Phone 909 606 7733 Fax 909 606 0195 Website http www Jacuzzi com B 12 14 2014 Jacuzzi Inc Printed in U S A ...