Troubleshooting; Troubleshooting The Automatic Transfer Switch - Briggs & Stratton 071210 Manual Del Usuario

Troubleshooting

Troubleshooting the Automatic Transfer Switch

PROBLEM
The automatic transfer switch does not transfer to
the generator.
The Automatic transfer switch does not transfer to
utility.
The generator continues to operate after the
switch transfers to utility power.
The generator or supervised loads (air
conditioner, etc.) operate incorrectly when the
generator supplies power.
The generator continues to operate after utility
power comes back.
CAUSE
1. The generator breaker is open.
2. The generator voltage is incorrect.
3. There is no transfer signal (12VDC).
1. The Service Disconnect Circuit Breaker is
open in the transfer switch.
2. The utility voltage is incorrect.
Engine cool down period.
A-A or B-B contacts operate incorrectly.
They do not operate under generator power
(locked out).
1. The minimum engine operation time has
not elapsed.
2. The fuse(s) in the transfer switch
is defective.
CORRECTION
1. Reset the generator circuit breaker.
2. Refer to the Generator Manual.
3. Check for transfer signal (12VDC) at the
generator controller and TRCM
1. Reset the Service Disconnect Circuit
Breaker in the transfer switch.
2. Wait for the utility voltage to come back
to normal.
The engine will stop after the specified minutes
that follow:
• Standard controller: the engine will stop
after 1 minute (60 seconds)
• GC1031 controller: the engine will stop
after five minutes (300 seconds).
Check A-A or B-B contacts for the correct
operation and/or check the control wiring to the
external load.
1. Wait for the transfer switch to re-transfer to
utility power.
• Standard controller: wait 1 minute (60
seconds).
• GC1031 controller: wait five minutes
(300 seconds).
2. Contact an authorized service center.
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