Briggs & Stratton Automatic Transfer Switch - Manual (Page 10)

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Troubleshooting
Problem Cause Correction
Automatic transfer switch does not
transfer to generator
1. Generator breaker open.
2. Generator voltage not acceptable.
3. Generator disconnect circuit breaker
open.
1. Reset generator circuit breaker.
2. Refer to generator manual.
3. Reset generator disconnect circuit
breaker.
Automatic transfer switch does not
transfer to utility
1. Utility disconnect circuit breaker
open.
2. Utility voltage not acceptable.
1. Reset utility disconnect circuit
breaker.
2. Wait for utility voltage to return to
normal.
Generator is still running after switch
transfers to utility power
Engine cool down period. Engine should stop after 1 minute.
Generator or supervised loads (air
conditioner, etc.) are operating
improperly when generator is supplying
power
1. NC contacts not operating correctly.
2. Too much load on generator.
1. Check NC contacts for proper
operation and/or check control
wiring to external load.
2. Decrease load to generator.
Generator is still running after utility
power is restored
1. Minimum engine run time has not
elapsed.
2. Fuse(s) in transfer switch is
defective.
1. Wait five minutes for transfer switch
to retransfer to utility power.
2. Check fuse(s) and replace if
necessary