Section 5 • Fault Codes
5 - 2
GR-20J • GR-26J
Part No. 227656
September 2016
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
The diagnostic readout displays numerical codes
that provide the information about the machine
operating status and malfunctions.
FAULT CODES
a
b
c
a
Error Source:
First two digits indicates the
affected machine area or component.
• '01'
Controller interface board
• '02'
Controller logic board
• '08'
Platform controls circuit board
• '16'
Diagnostic display
b Third digit always an alphabet "A" when fault
code is displayed.
c
Error Type:
Last two digits indicates the fault
number.
The codes listed in the Fault Code Chart
describe malfunctions and can aid in
troubleshooting the machine by pinpointing the
area or component affected.
Содержание GR-26J
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