Troubleshooting - Briggs & Stratton 40375 Operator's Manual

Troubleshooting

Problem
Eng ine is running, but no AC output is available.
Eng ine runs well at no-load but "bogs down"
when loads are connected.
Eng ine will not start; or starts and runs rough.
Engine shuts down during operation.
Loss of power on circuits.
Unit will not exercise.
Excessive Vibration
Odor of fuel
Utility power returns, unit does not stop
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Cause
1. Circuit breaker open or defective.
2. Service code in generator control board.
3. Poor wiring connections or defective
transfer switch.
1. Generator is overloaded.
2. Short circuit in a connected load.
3. Shorted generator circuit.
4. Fuel pressure or mixture is incorrect.
5. Kinked fuel line between regulator and
engine.
1. 15 Amp fuse missing or blown.
2. Fuel supply turned off or depleted.
3. Failed battery.
4. Clogged air filter.
1. Fuel supply turned off or depleted.
2. Control board digital display shows a
service code code.
1. Generator circuit breaker is open.
2. Transfer switch problems.
1. Control board not set to AUTO.
2. Exercise timer not set or set to OFF.
3. Unit date and time not set.
4. Failed battery.
5. 15 Amp fuse missing or blown.
1. Loose mechanical fastener.
1. Fuel leak.
1. Blown fuses in transfer switch.
2. 5 minute minimum runtime not lapsed.
3. Poor wire connection or defective
controllers.
Correction
1. Reset or replace circuit breaker.
2. Contact local service provider.
3. Check and repair or contact local service
facility.
1. Remove one or more loads.
2. Disconnect shorted electrical load.
3. Contact local service facility.
4. See Gaseous Fuel System in the installation
manual.
5. Remove kink. Replace if necessay.
1. Install (new) 15 Amp fuse. See System
Control Board
2. Open fuel valve(s); check propane tank
3. Replace battery.
4. Clean or replace air filter.
1. Check fuel valves, fill propane tank.
2. Refer to Service code Detection System.
1. Reset circuit breaker.
2. See transfer switch manual.
1. Press AUTO button on control board.
2. Set exercise timer.
3. Set unit date and time.
4. Replace battery.
5. Install (new) 15 Amp fuse. See System
Control Board.
1. Check and repair or contact local service
facility.
1. Turn off manual shutoff fuel valve. Contact
local service facility.
1. Install (new) fuses.
2. Wait 5 minutes.
3. Check, repair or contact local service facility.