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Troubleshooting / Quick Reference Guide
Owner’s Manual for 60 Hz Air-Cooled Generators 37
Quick Reference Guide
To clear an active alarm, press OFF button on the control panel, then the ENTER button, and finally the AUTO button.
Contact an IASD if alarm reoccurs.
Active Alarm LED Problem Action Solution
NONE
FLASHING
GREEN
Unit running in AUTO
but no power in house.
Check generator
MLCB (generator
disconnect).
Check generator MLCB (generator
disconnect). If it is ON, contact an IASD.
HIGH
TEMPERATURE
RED
Unit shuts down during
operation.
Check LEDs / screen
for alarms.
Inspect ventilation around generator,
intake, exhaust, and rear of generator. If
no obstructions are present, contact an
IASD.
OVERLOAD
REMOVE LOAD
RED
Unit shuts down during
operation.
Check LEDs / screen
for alarms.
Clear alarm and remove household loads
from generator. Put in AUTO and restart.
RPM SENSE LOSS RED
Unit was running and
shut down, attempts to
restart.
Check LEDs / screen
for alarms.
Clear alarm and remove household loads
from generator. Put into AUTO and
restart. If generator does not start, contact
an IASD.
NOT ACTIVATED NONE
Unit will not start in
AUTO with utility loss.
Check if screen says
unit not activated.
See Activation section in installation
manual.
NONE GREEN
Unit will not start in
AUTO with utility loss.
Check screen for start
delay countdown.
If startup delay is greater than expected,
contact an IASD to adjust from 2 to 1500
seconds.
LOW OIL
PRESSURE
RED
Unit will not start in
AUTO with utility loss.
Check LEDs / screen
for alarms.
Check oil level and add oil as needed. If
oil level is correct, contact an IASD.
RPM SENSE LOSS RED
Unit will not start in
AUTO with utility loss.
Check LEDs / screen
for alarms.
Clear alarm. Using control panel, check
battery by navigating to BATTERY MENU
option from MAIN MENU. If battery condi-
tion displays GOOD, contact an IASD. If
control panel displays CHECK BATTERY,
replace battery.
OVERCRANK RED
Unit will not start in
AUTO with utility loss.
Check LEDs / screen
for alarms.
Verify fuel line shutoff valve is ON. Clear
alarm. Start unit in MANUAL. If it does not
start, or starts and runs rough, contact an
IASD.
LOW VOLTS
REMOVE LOAD
RED
Unit will not start in
AUTO with utility loss.
Check LEDs / screen
for alarms.
Clear alarm and remove household loads
from generator. Put in AUTO and restart.
OVERSPEED RED
Unit will not start in
AUTO with utility loss.
Check LEDs / screen
for alarms.
Contact an IASD.
UNDERVOLTAGE RED
Unit will not start in
AUTO with utility loss.
Check LEDs / screen
for alarms.
Contact an IASD.
UNDERSPEED RED
Unit will not start in
AUTO with utility loss.
Check LEDs / screen
for alarms.
Contact an IASD.
STEPPER
OVERCURRENT
RED
Unit will not start in
AUTO with utility loss.
Check LEDs / screen
for alarms.
Contact an IASD.
WIRING ERROR RED
Unit will not start in
AUTO with utility loss.
Check LEDs / screen
for alarms.
Contact an IASD.
OVERVOLTAGE RED
Unit will not start in
AUTO with utility loss.
Check LEDs / screen
for alarms.
Contact an IASD.
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