S&C IntelliCap Plus, Troubleshooting Manual

Page 1: ...acement Instructions and Labels 4 Safety Precautions 5 Troubleshooting Overview Applicable Software 6 LCD Screen 6 IntelliLink Setup Software 6 Electrical Diagrams 6 Test Points 7 Tools Required 7 Bas...

Page 2: ...s standard conditions of sale as set forth in Price Sheets 150 and 181 applies to the S C IntelliCap Plus Automatic Capacitor Control except that the first paragraph of the said warranty is replaced...

Page 3: ...urchaser or end user all manufacturer s warranties that apply to such major components Warranty of equipment services packages is contingent upon receipt of adequate informa tion on the user s distrib...

Page 4: ...y if instructions including recommended precautions are not followed NOTICE NOTICE identifies important procedures or requirements that can result in product or property damage if instructions are not...

Page 5: ...utomatic Capacitor Control must be restricted only to Qualified Persons 2 SAFETY PROCEDURES Always follow safe operating procedures and rules Always maintain proper clearance from energized components...

Page 6: ...ntrol Before attempting to access an existing switch installation check carefully for visible or audible signs of electrical or physical malfunction do this before touching or operating the switch con...

Page 7: ...minate the possibility of software malfunction reload the operating software into the control STEP 1 Connect a PC loaded with IntelliLink Setup Software to the Local Comm Port on the faceplate STEP 2...

Page 8: ...the Manual setting This will prevent any automatic operation Follow these steps to check a blown load fuse STEP 1 With the faceplate buttons change the operation mode to the Manual state STEP 2 Remove...

Page 9: ...blank STEP 1 Check for ac power to the control Check for ac voltage between test points 2 Ac Line and 3 Neutral Return below the faceplate If there is no voltage a For controls with a meter base make...

Page 10: ...Voltage Change Margin setpoint is greater than the difference between the High Voltage Override Value data and the Low Voltage Override Value data HiLoVoltLockout The control has locked out the bank b...

Page 11: ...the port on the side of the enclosure Check that the cable is plugged into the correct port on the computer usually COM1 on portable computers STEP 3 Check the optical coupler power source If using an...

Page 12: ...tribution alter the pure sine wave RMS voltmeters do not account for this so their readings are often inaccurate True RMS is a repeatable voltage result independent of waveform harmonic content Theref...

Page 13: ...king slowly the Reclose Block delay is operating Wait until it stops blinking thentryswitchingthebankagain IfbothLEDdisplaysareoff seethe Incompatible Ident section on page 11 STEP 3 Check the line vo...

Page 14: ...e Setup General screen The capacitor control does not switch the bank if doing so would cause a Voltage Override condition See Instruction Sheet 1023 530 S C IntelliCap Plus Automatic Capacitor Contro...

Page 15: ...trol Setup STEP 3 If the IntelliLink software is already running click on the Operation button from any screen Operation Screen Figure 2 The Operation screen for a var control The Operation screen inc...

Page 16: ...trol does not have neutral sensing installed this field displays n a Neutral Sensor Fundamental This field displays the fundamental 60 Hz component of the neutral sensing value when installed Neutral...

Page 17: ...age in the Current Flow Direction field and subtracts 180 degrees from the phase angle Power kVA var controls only This is the present kVA level measured at the location of the current sensor Power kW...

Page 18: ...ctive is displayed the condition presently exists Occurred at The most recent time the alarm became active Last Cleared at The most recent time the alarm became inactive The control records the date a...

Page 19: ...age controls only For controls with neutral current neutral voltage sensing this field displays Active when the neutral current neutral voltage is above the alarm level for the duration of the applica...

Page 20: ...ll lockout again and in Automatic mode it will attempt Corrective Action and Retry if these features are enabled Reset Alarms Request The Reset All Alarms request attempts to clear all trouble and err...

Page 21: ...he normal direction this field displays Normal If unusual circuit switching conditions cause the direction of power flow to reverse the field displays Reverse Corr Phase Angle var controls only This i...

Page 22: ...larming This is the component or components of the neutral current used to trigger the Neutral Sensing alarm Voltage Harmonics This column shows the most recently calculated harmonics for the single p...

Page 23: ...le PCVD116S Comments This field includes miscellaneous information about the control and IntelliLink software For example if the IntelliLink software is older than the control software this field incl...

Page 24: ...in the log The events are listed in reverse chronological order This screen includes the following fields Timestamp This is the date and time the event occurred Event The message in this field describ...

Page 25: ...Voltage Outside Operating Range The line voltage is outside the range for the Nominal Operating Voltage setpoint noted on Page 3 of the Setup General screen Line Voltage Within Operating Range The li...

Page 26: ...eared A reverse current condition has cleared For controls with neutral sensing the additional event messages are Neutral Sensor Alarm Active The level of neutral current or neutral voltage has caused...