Groen CC20-E Operator's Manual page 219

SERVICE CODES
Service Code 9
After Serial Number GC7243MS and C7439MS
Table A provides information for troubleshooting when on a service call. The
columns list probable causes, replacement parts and special tools needed, and a
page reference to service instructions. Proceed through the Probable Causes in
the sequence shown in the table. If the corresponding Corrective Action does not
correct the problem, proceed to the next Probable Cause and so forth, until the
problem is corrected.
Table A - Troubleshooting Service Code 9
Probable Cause
Be sure oven is disconnected from branch circuit power before performing any repair work.
Broken lead or
connector in water
probe harness.
Contaminated
water level probes.
Defective water
level probes.
Defective boiler
temperature probe
When oven power is turned on, there is high voltage present in the electrical components compartment.
Relay board and/or
control panel operation.
6-26
Corrective Action
WARNING
Continuity check harness. Replace
harness if an open circuit is detected.
Clean both water probes using fine
enemy cloth.
Clean probe holders. Clean holder air
vents for CC10-E unit.
Replace both water level probes.
Continuity check in an ice water bath.
Replace boiler temperature probe.
WARNING
Perfrom relay board power supply
checks.
Test Equipment
Digital ohmmeter
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Digital Ohmmeter
Voltmeter
Service
Reference
Location
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Page 8-12
Page 8-12
Page 8-3
Page 8-15
Page 8-3
(Revised 1/02)