HomeControllersSYNC 3 HSB

SYNC 3 HSB Controller

The SYNC 3 HSB is a generator-set controller. It is used on generator sets from Generac, including the G0072100.

21
Generator sets
Generac
Brand
10–24 kW
Power range
2
Fuel types

Generator sets using this controller

21

Troubleshooting

17

Fault codes

CodeMeaning
000105Explosion et incendie.
000190Perda de vida.
000191Partida automática.
000209bDanger de mort. Ce produit ne doit pas être utilisé dans une application critique de support de vie.
000247aADVERTÊNCIA
001810Auxiliary Shutdown
005492Daño para el equipo
009209Puesta en marcha automática

Symptoms & remedies

SymptomCauseRemedy
Engine cranks but will not startNo fuel.Replenish fuel / turn on fuel valve.
Engine may be warming up. See Cold Smart Start.Check the controller screen to verify status.
Engine starts hard and runs roughPlugged or damaged air cleaner.Inspect and clean air cleaner.
Engine will not crankBlown fuse.Correct short circuit condition by replacing 7.5 A fuse in generator control panel. Contact an IASD if fuse continues to blow.
No AC output from generatorGenerator MLCB (generator disconnect) is OFF (OPEN).Set generator MLCB (generator disconnect) to ON (CLOSED).
No transfer to standby after utility source failureGenerator MLCB (generator disconnect) is OFF (OPEN).Set generator MLCB (generator disconnect) to ON (CLOSED).
Unit consumes large amounts of oilExcessive engine oil.Adjust oil to correct level. See Checking Engine Oil Level.
Unit is set to OFF, but engine continues to runController wired incorrectly.Contact an IASD for assistance.
Wi-Fi network connection broken or intermittentVarious.See Wi-Fi module owner’s manual.

Fault codes and symptom→remedy steps extracted from this controller’s service/owner documentation; verify against the official manual before servicing. Aggregated from the service documentation of generator sets built on this controller.