Installation manual

13
Troubleshooting
Problem Cause Correction
Au tomatic transfer switch does not
transfer to generator
1. Generator breaker open.
2. Generator voltage not acceptable.
3. Generator disconnect circuit breaker
open in transfer switch.
1. Reset generator circuit breaker.
2. Refer to generator manual.
3. Reset generator disconnect circuit
breaker in transfer switch.
Au tomatic transfer switch does not
transfer to utility
1. Utility disconnect circuit breaker
open in transfer switch.
2. Utility voltage not acceptable.
1. Reset utility disconnect circuit
breaker in transfer switch.
2. Wait for utility voltage to return
tonormal.
Ge nerator is still running after switch
transfers to utility power
Engine cool down period. Engine should stop after 1 minute.
Ge nerator 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 authorized
servicecenter.
Ge nerator 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.
NOT
for
REPRODUCTION