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To avoid risk of electrical shock, personal injury, or death, disconnect electrical power source to unit, unless test
procedures require power to be connected. Discharge capacitor through a resistor before attempting to service.
Ensure all ground wires are connected before certifying unit as repaired and/or operational.
Control board linear power supply
Factory use
only
To upper oven
To lower oven
To TDO clock
Ground
L1 Neutral
L1
120 VAC
L1 to Neutral, is 120
VAC
Blk
Neutral
Neutral
L1 to Neutral, is 120
VAC
White
Grnd
Ground
0 VAC
Grn / Yel
Control 1
Routed to upper EOC 4 bd
See EOC4 bd
connections
Ribbon cable
Control 2
Routed to upper EOC 4 bd
See EOC4 bd
connections
Ribbon cable
TOD
Routed to TOD, clock
SeeTOD clock assy
connections
Ribbon cable
RS485
only
Factory use only
N/A
N/A
Troubleshooting
21
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