Groen CC20-E Operator's Manual page 265

Maintenance
Replacement Procedures
Control Panel -
After serial numbers GC7243MS-gas, and C7439MS-electric
Removal
Be sure oven is disconnected from branch circuit power
before performing any repair work.
1. Turn off oven power and disconnect oven from the branch circuit.
2. Remove the four control panel mounting screws.
3. Tip top of control forward and check if the air, boiler, and drain (See Note
1) temperature probe wires are identified. The control panel connection
terminals are identified on the panel circuit board and in the following
illustration. If wires identification is not legible, identify and label the wires
at this time.
4. Disconnect temperature probe leads from the control panel.
5. Disconnect relay board harness (See Note 2) from control panel and
remove control panel from oven.
Installation
1. Make sure that the new control panel is the correct one for the oven being
serviced.
Control Panel Part Number Data
GAS
CC10G and CC20G
Control panel - 112960
EPROM - 112957
CC10E (Double - Stacked Ovens) CC10E (Single)
Top unit. Cook only - 106831
Bottom unit, Cook only - 106832
Top unit, Cook and Hold option - 106833
Bottom unit, Cook and Hold option - 106834
EPROM, Cook only -
EPROM, Cook and Hold option -
CC20E ovens
Cook only - 112960
Cook and Hold option - 112961
EPROM, Cook only -
EPROM, Cook and Hold option -
2. Correctly connect air, boiler, and drain (See Note 1) temperature probe
wires to the control panel.
3. Connect relay board harness (See Note 2) to the control panel. Be sure
harness is properly aligned with pins.
4. Install front panel on oven and tighten mounting screws.
5. Connect oven to the branch circuit and check oven operation. Check that
all touch pad and status lights are illuminated for the selected mode of
operation.
NOTE 1: Air and boiler temperature probes only after GC7243MS and
C7439MS.
NOTE 2: Ribbon cable replaces harness after GC7243MS and C7439MS.
8-20
WARNING
112954
112954
112955
112955
(Revised 1/02)