TROUBLESHOOTING Operation & Maintenance Manual
Low battery vol
tage.
Check battery condition,
recharge if necessary.
Check electrolyte level, add
if necessary. Check cable
connections, clean and
tighten as needed.
Blown fuse. Identify an
d replace fuse.
See Electronic Service
Manual.
Malfunctioning main power
switch.
Check switch. Replace if
necessary. See Electronic
Service Manual.
Clogged fuel filters. Service fuel filters. See
Engine Manual.
Out of Fuel. Add clean fuel.
Compressor oil temp. too
high.
See Complaint #6.
Engine coolant temp. too
high
.
Check coolant level. If low,
add coolant. See Complaint
#3.
Engine oil pressure too low.
See Complaint #4.
Loose w ire connection.
Check wires at switches
and connectors to find loose
connection. Make repairs.
See Electronic Service
Manual.
Defective sensor. Identify and check sensor.
Replace if necessary. See
Electronic Service Manual.
Malfunctioning relay. Identify and check relay.
Replace if necessary. See
Electronic Service Manual
Engine malfunctioning. See troubleshooting in
Engine manual.
2. Compressor won’t start
or run
Airend malfunctioning. See Complaint #6.
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