Groen CC20-E Operator's Manual page 268

Maintenance
Replacement Procedures
Relay Board
- Prior to serial number 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 right hand side panel.
3. Check that the identification labels on all wires connected to the
relays and to the relay board are legible. If they are not legible,
identify and label them at this time.
4. Disconnect all electrical leads from relays (1).
5. Disconnect harness (2) from control panel.
6. Disconnect door switch leads from board terminals (3 and 4).
7. Disconnect electrical leads from terminals RB1 (5) and RB2 (6).
8. Disconnect the high and low water level probe leads (7)
and ground wire (8).
9. Remove the five relay holder bars (9).
10. Note and mark location of the three nylon spacers located under the
relay board so that they can be correctly positioned during
installation.
11. Remove the seven relay board mounting screws (10). Note that star
washers are used at some of the mounting screw locations. Mark
these locations to ensure correct relay board installation.
12. Slowly remove relay board from the three 1/4 inch nylon spacers.
Installation
1. Correctly position the three 1/4 inch nylon spacers and install relay
board on top of spacers.
2. Install mounting screws (10) and star washers at locations identified
during removal. Securely tighten all screws except the one that
attaches the water level probe harness ground wire (8).
3. Install relay holder bars (9) and tighten screws securely.
4. Position ground lead (8) under star washer and mounting screw (10)
and tighten mounting screw.
5. Correctly connect high and low water level leads (7). Note "LOW" and
"HIGH" wire locations.
8-24
WARNING
IMPORTANT
This illustration shows the relay board
for the electric ovens. However, the
relay board used in the gas ovens is
similar.
1. Relays
2. Relay Board Harness
3. Door Switch Terminal
4. Door Switch Terminal
5. Terminal for RB1 Lead
6. Terminal for RB2 Lead
7. High and Low Water Level
Probe Leads
8. Water Level Probes
Ground Lead
9. Relay Holder Bars (qty. 5)
10. Hex Head Screw, 6-32 X
5/8 Inch Long (qty. 7)
11. Ground Pad
12. Relay Locator
(Revised 1/02)