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4. Lift and turn the Air Tunnel Outlet over, then
disconnect the oven TCO wires.
5. Note the routing of wiring through air tunnel
outlet retainers, then remove wiring from
retainers.
Disconnect
Disconnect
Air Tunnel Outlet
Humidity Sensor
CN103
CN1
Power Supply Board
• Location
(See
Top View
.)
• Generates all DC voltages.
• 120 VAC input at CN1 pins 1 and 3.
• 18 VDC (CN103 pin 1) Operating voltage for the
Smart Board.
• 12 VDC (CN103 pin 2) Buzzer and Backlight
Operating Voltage. (Backlight is Monogram
Only).
• 12 VDC (CN103 pin 3) Relay Operating Voltage.
• 5 VDC (CN103 pin 4) VFD Operating Voltage.
• All DC voltages are measured to DC Ground (CN
103 pin 5).
• Disassembly.
(See
Disassembly
.)
Troubleshooting
1. Pivot the Control Panel Assembly out from the
oven. (See
Control Panel Removal
.)
2. To gain better access to components, remove
the wires that plug into the large relays on the
Relay Board.
(See
Relay Board
.)
Cut the wire tie
that the Smart Board CN103 wire harness (See
Smart Board
.) is routed through.
Note:
Callout arrows identify location of pin #1.
(
Continued Next Page
)