Troubleshooting / Quick Reference Guide
Owner’s Manual for 60 Hz Synergy™ Generators 35
1057 VSCF
Overvoltage
RED Unit shuts down
during operation
or starting.
Check the
LEDs/Screen
for alarms.
Probable causes are:
1) The generator has been overloaded. Remove load and
attempt to restart unit.
2) Generator has started into a severe load. Manually
operate transfer switch back to utility position and try to
restart unit. If problem persists, remove load and attempt
to restart unit again.
1058 VSCF DC
Undervoltage
RED Unit shuts down
during operation
or starting.
Check the
LEDs/Screen
for alarms.
The DPE winding supplies this voltage.
1) Alternator damage. Contact an Independent Authorized
Servicing Dealer.
1059 VSCF
Field Loss
RED Unit shuts down
during starting.
Check the
LEDs/Screen
for alarms.
Unit detects no output voltage while starting.
1) Alternator damage. Contact an Independent Authorized
Servicing Dealer.
1061 VSCF
Field Loss
RED Unit shuts down
during operation.
Check the
LEDs/Screen
for alarms.
Unit detects loss of output voltage while running.
1) Alternator damage. Contact an Independent Authorized
Servicing Dealer.
1060 Big Fan Failure RED Unit shuts down
during operation.
Check the
LEDs/Screen
for alarms.
This alarm occurs when the AVR electronics temperature
exceeds 158 °F (70 °C). Possible causes are:
1) AVR filter faulty. Replace AVR filter.
2) Intake or exhaust air path is blocked. Check intake and
exhaust.
3) The BIG fan is not running (only runs when the engine
is running). KEEP FINGERS AWAY FROM FAN
HOUSING— PERSONAL INJURY CAN OCCUR IF FAN
IS RUNNING. Contact an Independent Authorized
Servicing Dealer.
4) Air leak in AVR enclosure. Contact an Independent
Authorized Servicing Dealer.
5) Engine running too hot. Inspect air intake and exhaust.
6) Ambient temperature has risen above 60 ºF (15.6 °C).
Derate the generator output per specifications.
If message is displayed when generator is stopped, also
check SMALL fan. Small fan RUNS for 80 minutes after
generator is stopped and keeps electronics cool during
heat soak.
1065 Overfrequency RED Unit shuts down
during operation.
Check the
LEDs/Screen
for alarms.
Probable causes are:
1) Overload. Remove load and attempt to restart unit.
2) RPM sensor has failed. Contact an Independent
Authorized Servicing Dealer.
3) Stepper motor problem. Contact an Independent
Authorized Servicing Dealer.
Table 5-2. Synergy Troubleshooting
Ecode/Active
Alarm
LED Problem Things to
Check
Possible Causes/Solution
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