Troubleshooting
46
Installation Guidelines 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
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 Recommendations in owner’s
manual.
Damaged gasket, seal, or hose.
Inspect for oil leaks.
Restricted air filter.
Replace air filter.
* Contact an IASD or visit
for assistance.
Problem
Cause
Correction
