Section 5 • Fault Codes
November 2005
5 - 2
GR-12 • GR-15 • GR-20
Part No. 84700
General Repair Process
About This Section
When a malfunction is discovered, the fault code
chart in this section will help a service professional
pinpoint the cause of the problem. To use this
section, basic hand tools and certain pieces of test
equipment are required—voltmeter, ohmmeter,
pressure gauges.
Malfunction
discovered
Identify
symptoms
Troubleshoot
Perform
repair
Return to
service
problem
solved
problem
still exists
Inspect
and test
LED Diagnostic Readout
FAULT CODES
The diagnostic readout displays numerical codes
that provide information about the machine
operating status and about malfunctions. The dot
to the right of the numbers remain on when a
fault code is displayed.
The codes listed in the Fault Code Chart
describe malfunctions and can aid in
troubleshooting the machine by pinpointing the
area or component affected.
