Generac Power Systems G0071450, Owner'S Manual

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Troubleshooting / Quick Reference Guide
38 Owner’s Manual for 50 Hz Air-Cooled Generator Sets
No transfer to
standby after mains
power source failure
Generator set MLCB (generator set disconnect)
is OFF (OPEN). Set generator set MLCB (generator set disconnect) to
ON (CLOSED).
Faulty transfer switch coil.
Contact an IASD for assistance.
Faulty transfer relay.
Transfer relay circuit open.
Faulty control logic board.
Engine may be warming up. See Cold Smart
Start .
Check controller screen to verify status.
Unit consumes
large amounts of oil
Excessive engine oil. Adjust oil to correct level.
Faulty engine breather. Contact an IASD for assistance.
Incorrect type or viscosity of oil. See Engine Oil Requirements .
Damaged gasket, seal, or hose. Inspect for oil leaks.
Restricted air filter. Replace air filter.
Problem Cause Correction