Groen CC20-E Operator's Manual page 220

After Serial Numbers C7439MS and GC7243MS
Operating Instructions
The control panel has a built-in diagnostic tool for troubleshooting the oven.
DO NOT replace a control panel or relay board without running the diag-
nostic program. If the diagnostic test functions normally, the control system
is working.
TO ENTER THE DIAGNOSTIC MODE
1. Press and hold COMBO and power ON at the same time.
2. Enter 9-1-1 on the Time keypad.
a. DIAG appears in the TIME display window
b. OUTP appears in the TEMPERATURE display window
OUTPUTS
To activate and test Relay One, press "01"; to activate and test Relay Two,
press "02"; continue through Relay "15". Relays will stay on for one minute,
except those that could cause problems by staying on too long. These will only
be activated for five seconds.
LEDs on the relay board correspond to each relay.
Press, "CLEAR" once to reset the relay.
KEYPAD
Turn the Cook Temperature Knob one click clockwise to check the Keypad.
PAD will appear in the TEMPERATURE display window.
Press any number.
That number will appear in the TIME display window.
Press any other key, EXCEPT "CLEAR" OR "POWER", DIAG will appear in
the TIME display window and a chirp will sound.
DOOR
Turn the Cook Temperature Knob one click clockwise to check the Door.
OPEN or SHUT appears in the TIME display window.
DOOR appears in the TEMPERATURE display window.
HIGH WATER PROBE
Turn the Cook Temperature Knob one click clockwise to check the High Water
Probe.
HI P appears in the TEMPERATURE display window.
117 (or more) appear in the TIME display window, if the probe is open.
Short out the probe to show the water level count.
10 (or less) appear in the TIME display window.
Diagnostic Mode
COMBO DIAGNOSTIC MODE
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