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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.
1. Reset generator circuit breaker.
2. Refer to generator manual.
Automatic transfer switch does not
transfer to utility
1. Service disconnect breaker open.
2. Utility voltage not acceptable.
1. Reset service disconnect 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. A-A or B-B contacts not operating
correctly.
2. Too much load on generator.
3. Current transformer not connected.
4. Broken current transformer.
1. Check A-A or B-B contacts for
proper operation and/or check
control wiring to external load.
2. Decrease load to generator.
3. Plug CT connectors into control
module.
4. Contact local Briggs & Stratton
service center.
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.