Section 9: Quick Reference Guide; System Diagnosis - Generac Power Systems PowerPact 7.5 kW Installation Manuallines

Section 9: Quick Reference Guide

System Diagnosis

To clear an active alarm, press the OFF button twice and then press AUTO. If the alarm reoccurs, contact an
Independent Authorized Service Dealer (IASD).
Active Alarm Problem
NONE Unit running in AUTO but
no power in house.
HIGH Unit shuts down during
TEMPERATURE operation.
Auxiliary Shutdown
Switch in OPEN (O)
position.
HIGH
Unit will not start.
TEMPERATURE
RPM SENSE LOSS Unit was running and
shuts down, attempts to
restart.
NOT ACTIVATED Unit will not start in
AUTO with utility loss.
LOW OIL Unit will not start in
PRESSURE AUTO with utility loss.
OVERCRANK Unit will not start in
AUTO with utility loss.
NO LEDs LIT Unit will not start in
AUTO with utility loss.
SPEED ALARM Unit will not start in
AUTO with utility loss.
WIRING ERROR Unit will not start in
AUTO with utility loss.
BATTERY Yellow LED steadily
PROBLEM illuminated
CHARGER Yellow LED flashes
PROBLEM
BREAK-IN Control panel indicates
MAINTENANCE break-in maintenance
DUE due.LED flashes.
Installation Guidelines for 60 Hz PowerPact™
Table 9-1. System Diagnosis
Things to Check
Check MLCB.
Check the Controller
for alarms.
Check Auxiliary
Shutdown Switch
position.
Check Auxiliary
Shutdown switch
position.
Check the Controller
for alarms.
Observe if all six
Alarm and Warning
LEDs are blinking
simultaneously.
Check the Controller
for alarms.
Check the Controller
for alarms.
Check the Controller
for alarms.
Check the Controller
for alarms.
Check the Controller
for alarms.
Check the Controller
for additional
information.
Check the Controller
for additional
information.
None
Solution
Check MLCB. If it is in the ON position, contact an IASD.
Check ventilation around the generator, intake, exhaust
and rear of generator. If no obstructions exist, contact an
IASD.
Set Auxiliary Shutdown Switch to CLOSED (I) position.
Set auxiliary shutdown switch to CLOSED (I) position.
Clear alarm and remove household loads from the
generator. Put back in AUTO and restart. If generator
does not start, contact an IASD.
Refer to Generator Activation.
Check oil level / add oil per Owners Manual. If oil level is
correct, contact an IASD.
Check fuel line shutoff valve is in the ON position. Clear
alarm. Attempt to start the unit in MANUAL. If it does not
start or starts and runs rough, contact an IASD.
®
Check ATO 7.5 Amp ATO fuse. Replace with same
type fuse if bad. Contact IASD if fuse is good.
Contact IASD.
Contact IASD.
Contact IASD.
Contact IASD.
Perform break-in maintenance. Clear Maintenance Due
light.
Quick Reference Guide
37