Veetsan VDU30, Service Manual

Page 1: ...5956 6K6 00 P 1 28 SERVICE MANUAL CONTENTS This document contains the instructions to set electronic board parameters via user interface for following dishwashers EDITION 05 2016 https appliancetechmanuals com ...

Page 2: ...automatic hood type dishwashers Pag 16 9 SPECIAL FEATURES Pag 17 9 1 DETERGENT AND RINSE AID LEVEL SENSORS ACTIVATION Pag 17 9 1 DETERGENT AND RINSE AID LEVEL SENSORS ACTIVATION Pag 17 9 1 DETERGENT AND RINSE AID LEVEL SENSORS ACTIVATION Pag 17 9 2 DISHWASHERS WITH WASH TANK WATER CHANGE FREQUENCY CONTROL Pag 17 9 2 DISHWASHERS WITH WASH TANK WATER CHANGE FREQUENCY CONTROL Pag 17 9 2 DISHWASHERS W...

Page 3: ...se Pump Manual Activation used to EMPTY BOILER Fig 4 Enter into General Parameters Hold down buttons for at least five seconds Fig 5 Enter into Factory Parameters Hold down buttons for at least five seconds Fig 6 Next Parameter Family OR Increase Parameter Value in setting mode only Fig 7 Decrease Parameter Value In setting mode only Fig 8 Confirm Value and go to next Parameter in setting mode onl...

Page 4: ...nd hold down ON OFF and BUTTON_1 keys for at least five sec onds the display shows Figure 9 Switch on the dishwasher Press and hold down BUTTON_2 and BUTTON_3 keys after two beep the detergent dispenser starts work for 20 sec Switch on the dishwasher Press and hold down BUTTON_1 and BUTTON_3 keys after two beep the rinse aid dispenser starts work for 40 sec Switch on the dishwasher Close the door ...

Page 5: ...time voltage is supplied between connectors L17 L19 main ter minal box if the rinse aid dispenser works when LOADING EV is being activated to re fill boiler level at the same time voltage is supplied between connectors L18 L19 main ter minal box if the rinse aid dispenser works when WASHING PUMP is being activated at the same time voltage is supplied between connectors L18 L19 main terminal box Fo...

Page 6: ...ivated during filling tank the dispenser is supplied during washing phase and the probe automatically dose the right detergent amount 5 COUNTERS This Parameter Family collects cycle counters and water consumption counters For water consumption counters a flow meter must be installed See calibration parameter into section 8 OTHER PARAMETERS https appliancetechmanuals com ...

Page 7: ... off and then on again and will show zero Note that is used to count cycles for message see next parameter Store thousand of cycles after that message appears on dis play Ex If this parameter is settled to 20 message appears when reach 20 000 cycles Drain Cleaning cycles performed Similar to but counts Cleaning Cycles Numbers of cycles that can be made after a regeneration cycle only for dishwashe...

Page 8: ...19 Fig 20 CYC 010 042 1 2 3 cYc 1 2 3 Sym Parameter Description Unit Min Max Factory Default Boiler Temperature THRESHOLD When boiler temperature reaches this value heaters switch off F 113 203 172 Boiler Temperature HISTERESIS represent dead band Heater switch on if boiler temperature is below F 35 50 35 Boiler Temperature HIGH LIMIT When boiler temperature reaches this value alarm appears Put 0 ...

Page 9: ... Temperature Threshold F 32 59 35 Boiler temperature negative differential when the dishwasher is in standby boiler threshold becomes Used to save energy during machine inactivity by keeping boiler water at a lower temperature F 32 68 32 Tub Temperature THRESHOLD When tank temperature reaches this value heater switch off F 104 185 145 Tub Temperature HISTERESIS represent dead band Heater switch on...

Page 10: ...rameter Figure 37 and the correspond ing value Figure 38 In the same way is possible to change the other parameters After settled all parameters referring Cycle 1 by pressing BUTTON_2 key is possible to change the Cycle 2 parameters Figure 39 Figure 40 and so on Fig 32 Factory setting mode Fig 33 Select next class Fig 34 Cycle 1 Family ENTER Fig 35 Wash duration min Fig 36 Change value Store Fig 3...

Page 11: ...956 6K6 00 P 11 28 7 1 CYCLE DIAGRAM CYCLE TYME LEGENDA drain wash rinse pause pre rinse final pause rrinse detergent cold rinse rinse aid IPA Ln Sh PA Pr ri cr FP dr rPA dEt rAi https appliancetechmanuals com ...

Page 12: ...s 0 30 0 Rinse Phase Duration s 10 45 16 Cold Rinse Phase Duration s 0 50 0 Drain s 0 40 16 Final Pause at End of Cycle s 0 60 0 Long wash time in mode Thermal Label min 0 60 2 Short wash time in mode Thermal Label s 0 60 12 This parameter allows having a different rinsing temperature for the second cycle Only values above 113 F are allowed F 32 203 32 Sym Parameter Description Unit Min Max Factor...

Page 13: ...ture probe if installed 0 during rinse phase the display shows boiler temperature 1 during rinse phase the display shows rinse temperature 0 1 0 Pulse Per Litre This parameter must be settled in according to flow meter installed present up to software version 3 12 p l 0 255 0 Number of wash cycles performable without detergent only for dishwashers with external detergent level sensor par 9 1 DETER...

Page 14: ...malfunctioning in the continuous water softener To facilitate fault finding see par In the case of a shorted probe error C 5 C 7 e C11 the displayed temperature is 210 F Sym Parameter Description Unit Min Max Factory Default Serial Device 0 8N1 1 PC connection DAAS 8E1 7 HACCP network ECAP 8E1 LK485 LK485 board is nec essary 9 Dishwashers with incorporated continuous water softener 16 HACCP printe...

Page 15: ...lements and the wash pump have prior ity The tank heating element is activated only when the booster has reached the set temperature and the wash pump is not work ing Note disabling this function changes the global electrical power of appliance before enabling this function check available power supply cable section fuses in according to User Manual 0 2 1 Tank Filling Mode Enable filling tank by m...

Page 16: ... the main switch See paragraph 9 2 DISHWASHERS WITH WASH TANK WATER CHANGE FREQUENCY CONTROL fH 4 14 10 Boiler heating control Defines the max permissible temperature difference during boiler heating in a time interval of 2 minutes and 30 seconds F 77 176 122 Sym Parameter Description Unit Min Max Factory Default DELAY_K1 Time during hood lifting within which S3 must return to the rest position 0 ...

Page 17: ... this way if the customer does what the machine sug gests washes will be done with sufficiently clean water The value set in the parameter Cycles before drain indicates the number of wash cycles possible between one tank water drain cycle and the next When the number of wash cycles done since the last tank water change reaches the value contained in the parameter Cycles before drain the display sh...

Page 18: ...ockwise 3 Keep the tube in the seat in the housing and continue turning the roller clockwise being careful not to damage the tube 4 Keep the tube in the seat in the housing and con tinue turning the roller clockwise 5 Turn the roller a full 360 6 Make sure to fit the union in the special seat deliv ery https appliancetechmanuals com ...

Page 19: ...EMOVING THE TUBE 1 Position the roller as shown in the figure 2 Lift the tube at the suction part and turn the roller at the same time Guide the tube keeping it raised and turn the roller 3 Remove the tube https appliancetechmanuals com ...

Page 20: ... has to be replaced 4 With the machine CODE enter into the following table and read the corresponding Prog number 5 Follow the instructions reported into the corresponding Prog XXX sheet next pages 6 With the machine CODE find the Layout number in Par 12 2 CONNECTORS LAYOUT 10 1 CODE Prog TABLE MODEL CODE Prog Layout VDU30 502350 149 09 https appliancetechmanuals com ...

Page 21: ...t enabled Select user interface under counter model Regeneration cycle disabled ALARMS ENABLED 3 Switch OFF and then switch ON the machine 4 Modify Factory parameters Enter into FAC parameter family Boiler Temperature Threshold Boiler Temperature Adjust During stand by boiler is kept at lower temperature than Temperature Threshold Tank Temperature Threshold HISTERESIS of Tank Temperature 5 Modify ...

Page 22: ...DOC NO 5956 6K6 00 P 22 28 11 DEFAULT VALUES UNDERCOUNTER ON OFF CYCLE1 keys ON OFF CYCLE2 keys https appliancetechmanuals com ...

Page 23: ...rd feed input CN16 User interface inputs outputs and hood door sensor input CN17 Door microswitch connection The display shows with door hood closed Check door hood micro sensor No cycle starts Check the user interface buttons have they remained pressed etc A cycle fails to start Is a user interface button extension missing After replacing the main board only the 3rd cycle starts The main board is...

Page 24: ...oiler Does the boiler level sensor work properly ONLY FOR MACHINES WITH CONTINUOUS WATER SOFTENER Does the boiler level sensor located inside the water softener work properly Does the float of the boiler level sensor located inside the water softener work properly Is it free to move upwards and downwards and vice versa Is the connection from the boiler level sensor to the main board efficient ATTE...

Page 25: ...The boiler could be empty Are non original power resistances installed Boiler temperature too high Has the boiler temperature been changed increased above 194 F Has the software alarm value been modified Does the boiler level sensor work properly Is the boiler relay stuck see RL2 RL3 RL4 Tank temperature too high Is the feed water above 140 F Has the software alarm value been modified Is the rinse...

Page 26: ...re the connectors correctly connected Are connector contacts clean Tank temperature low Does the tank heating element work properly Are the connectors correctly connected Are the dishwasher feed voltage and current correct Is the relay RL5 on the board disconnected or faulty Boiler temperature low Does do the boiler heating element s work properly Are the connectors correctly connected Does the po...

Page 27: ...cannot be used in appliances currently in production Family parameter value Family Family alarm parameter the maximum value it can be set to is 3 but actually the only significant values are 0 and 1 By setting to 3 alarm F8 may appear also implemented by the firmware but not used in any current application https appliancetechmanuals com ...

Page 28: ...DOC NO 5956 6K6 00 P 28 28 https appliancetechmanuals com ...