Powerlink A713VS - Control System Troubleshooting

7.3 Control System Troubleshooting
Trouble
Causes
Remedies
1.Themainbreakerpositionrests
onthepositionbetweenONandOFF
improperly.
1.Firstturnthebreakertooff,andthen
turnittoon.
Mainbreakercannotbeturnedtoon
2.Shortcircuitontheload.
2.Checkandrepairtheloadcircuitor
changeit.
1.Controlmodulecableisdisconnected
tothebattery.
1.Connectthemodulecabletothe
battery.
2.Batterypowerisinsufcient.
2.Chargethebatterywiththeutility
power.
3.Thefuseisdamaged.3.Changethefuse.
Controlmodulecannotrun
4.Controlmoduleisdefective.4.Repairorchangethecontrolmodule.
1.Loadstotalexceedstheratedcurrent.
1.Decreasetheloadstomeettherated
output.
2.AVR.ofalternatorisdefective.
2.CheckAVR.andchangeitif
necessary.
Voltagedropsquicklywhen
connectingtotheload
3.Usewrongfrequency.
3.Adjustthefrequencytotheload
frequency.
Frequencyisstable,butvoltageis
unstable
1.AVR.ofalternatorisdefective.
1.CheckAVR.andchangeitif
necessary.
Afterconnectingtotheload,voltage
andfrequencyisstable,butcurrent
isunstable
1.Customerloadisunstable.1.Checkandadjustthecustomerload.
1.AVR.ofalternatorisdefective.
1.CheckAVR.andchangeitif
necessary.
Voltagecannotgouptotherated
value
2.Frequencyislow.2.Adjustfrequencyasrequired
Voltageexceedstheratedvalue1.AVR.ofalternatorisdefective.
1.CheckAVR.andchangeitif
necessary.
1.Themeterisdefective.
1.Checkthemeter,andchangeif
necessary.
Electricmeterhasnoreading
2.Circuitisdisconnected,orterminalis
loose.
2.Findthecutpositionandconnect
again.
CHAPTER 7 — TROUBLESHOOTING
49