Groen CC20-E - Page 215

SERVICE CODES
6-22
Service Code 7
Table 7 provides information for troubleshooting when on a service call. The
columns list probable cause, replacement parts and special tools needed, and a
page reference to the 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 7 - Troubleshooting Service Code 7 – For ovens prior to GC7243MS and C7439MS.
Probable Cause
Solid state controls
require calibration.
Relay board and/or
control panel
operation.
Faulty relay board.
Faulty control panel.
Broken lead in water
level probe harness.
Contaminated water level
probe.
Defective water
level probe.
High W
ater Pressure.
(Greater than 60 psi)
Oven shuts down after
15 minutes of steaming.
WARNING
When oven power is turned on, there is high voltage present in the electrical components compartment.
WARNING
When oven power is turned on, there is high voltage present in the electrical components compartment.
Check solid state controls calibration.
Perform relay board power supply
check.
Replace relay board.
Replace control panel.
Continuity check harness. Replace water
level probe harness if an open circuit is
detected.
Clean probe using a fine emery cloth.
Clean probe holder. Clean holder
air vent hole for CC10-E unit.
Delime boiler.
Replace water level probe.
Install a water pressure reducing valve.
Install latest version of the software.
Calibration box,
P/N 074821
Voltmeter
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Digital ohmmeter
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Page 8-1
Page 8-3
Page 8-22
Page 8-21
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————
Page 8-12,
Page 8-62,
8-63, or 8-64
Page 8-12
Relay board and/or
control panel.
Faulty relay board.
Perform relay board power supply check.
Replace relay board.
Voltmeter
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Page 8-3
Page 8-22
Corrective Action Test Equipment
Service
Reference
Location
WARNING
Be sure oven is disconnected from branch circuit power before performing any repair work.
For units after GC7243MS and C7439MS
WARNING
Be sure oven is disconnected from branch circuit power before performing any repair work.
(Revised 1/02)