Troubleshooting

Problem

Cause

Correction

Automatic transfer switch does not

1.

Generator breaker open.

1.

Reset generator circuit breaker.

transfer to generator

2.

Generator voltage not acceptable.

2.

Refer to generator manual.

 

 

 

 

 

Automatic transfer switch does not

1.

Service disconnect breaker open.

1.

Reset service disconnect breaker.

2.

Utility voltage not acceptable.

2.

Wait for utility voltage to return to

transfer to utility

 

 

 

normal.

 

 

 

 

 

 

 

Generator is still running after switch

Engine cool down period.

Engine should stop after 1 minute.

transfers to utility power

 

 

 

 

 

 

 

 

 

 

1.

A-A or B-B contacts not operating

1.

Check A-A or B-B contacts for

 

 

correctly.

 

proper operation and/or check

Generator or supervised loads (air

 

 

 

control wiring to external load.

2.

Too much load on generator.

2.

Decrease load to generator.

conditioner, etc.) are operating

improperly when generator is supplying

3.

Current transformer not connected.

3.

Plug CT connectors into control

power

 

 

 

module.

 

4.

Broken current transformer.

4.

Contact local Briggs & Stratton

 

 

 

 

service center.

 

 

 

 

 

 

1.

Minimum engine run time has not

1.

Wait five minutes for transfer

Generator is still running after utility

 

elapsed.

 

switch to retransfer to utility power.

power is restored

2.

Fuse(s) in transfer switch is

2.

Check fuse(s) and replace if

 

 

defective.

 

necessary.

 

 

 

 

 

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