Troubleshooting - Briggs & Stratton 100 AMP AUTOMATIC TRANSFER SWITCH Installation And Operator's Manual

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
Re lay modules do not close after
five minutes
Re lay modules do not open during
transfer and retransfer
Sy mphony II system control board
status LED does not change
illumination blinking pattern
for utility or generator power.
Cause
1. Generator breaker open.
2. Generator voltage not acceptable.
3. Generator disconnect circuit breaker open
in transfer switch.
1. Utility disconnect circuit breaker open in
transfer switch.
2. Utility voltage not acceptable.
Engine cool down period.
1. Remote modules are not
operating correctly.
2. Too much load on generator.
3. Current transformer not connected.
4. Broken current transformer.
5. Communication lost due to power line
noise.
6. Communication lost between transfer
switch and Symphony II control boards.
1. Minimum engine run time has not elapsed.
2. Fuse(s) in transfer switch is defective.
1. Too much load on generator.
2. Communication interruption.
3. Priority set to 9 or 10.
Communication interruption.
1. TxRx and TxRx GND communication
wires are not connected between the
generator and transfer switch.
2. TxRx and TxRx GND communication wires
are connected incorrectly between the
generator and transfer switch.
3. TxRx and TxRx GND communication
wires affected by electrical noise
interference.
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.
5. Verify fluorescent ballasts are rated for
residential use only. If not, replace
with residential ballast.
Install noise filter in series and close
to problematic device.
Rewire remote module to opposite
power line (L1 or L2) from that of
problematic device.
6. Contact local authorized service center.
1. Wait five minutes for transfer switch to
retransfer to utility power.
2. Contact local authorized service center.
1. Decrease load to generator.
2. Reset utility disconnect circuit breaker
in transfer switch and wait five
minutes (turn OFF breaker for ten
seconds then turn it back ON).
3. Appliance will not turn on during
standby power. Contact local
authorized service center to change
priority setting.
Contact local authorized service center.
1. Contact local authorized service center.
2. Contact local authorized service center.
3. Contact local authorized service center.
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