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Troubleshooting
Problem
Au tomatic transfer switch does not
transfer to generator
Au tomatic transfer switch does not
transfer to utility
Ge nerator is still running after switch
transfers to utility power
Ge nerator or supervised loads (air
conditioner, etc.) are operating
improperly when generator is
supplying power
Ge nerator is still running after utility
power is restored
Product Specfications
Model 071060
Maximum Load Current ....................................................100 Amps
Rated AC Voltage. ..............................................................250 Volts
Poles Per Contactor ........................................................................2
Frequency ................................................................................50 Hz
Fault Current Rating ............... 22,000 RMS Symmetrical Amperes*
*This transfer switch is tested and rated in accordance with UL
(Underwriters Laboratories) 1008 (transfer switch equipment).
16
Cause
1. Generator breaker open.
2. Generator voltage not acceptable.
3. Generator disconnect circuit breaker open in
transfer switch.
1. Utility disconnect circuit breakers open in
transfer switch.
2. Utility voltage not acceptable.
Engine cool down period.
1. AA and/or BB are not operating correctly.
2. Too much load on generator.
3. Current transformer not connected.
4. Broken current transformer.
1. Minimum engine run time has not elapsed.
2. Fuse(s) in transfer switch is defective.
Automatic Transfer Switch
Correction
1. Reset generator circuit breaker.
2. Refer to generator manual.
3. Reset generator disconnect circuit breaker
in transfer switch.
1. Reset utility disconnect circuit breaker in
transfer switch.
2. Wait for utility voltage to return to normal.
Engine should stop after 1 minute.
1. Five minute delay timer has not expired.
2. Decrease load to generator.
3. Contact local authorized service center.
4. Contact local authorized service center.
1. Wait five minutes for transfer switch to
retransfer to utility power.
2. Contact local authorized service center.
315706GS Rev. C
BRIGGSandSTRATTON.COM
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