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Troubleshooting / Quick Reference Guide
36 Owner’s Manual for 60 Hz Air-Cooled Generators
No transfer to
standby after
utility source
failure
Generator MLCB (generator disconnect) is
OFF (OPEN).
Set generator MLCB (generator 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. See Checking Engine
Oil 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.
Wi-Fi network
connection
broken or
intermittent
Various. See Wi-Fi module owner’s manual.
* Contact an IASD or visit www.generac.com for assistance.
Problem Cause Correction
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