– 53 –
Disconnect
Disconnect
• The ventilation motor capacitor is located on the
Air Tunnel Inlet behind Noise Filter 2. (See
Top
View
.)
To remove the Ventilation Motor Capacitor:
1. Remove the Outer Cover. (See
Outer Cover
.)
2. Disconnect wiring to the motor capacitor.
3. Remove the Phillips-head screw that attaches
the motor capacitor to the Air Tunnel Inlet.
Upper Cooling Motor
Duct
Motor
• Location
(See
Top View
.
)
• 120
VAC
• Single
speed
• Approximately
15
:
• For operating algorithms, see
Load Algorithm
Chart
.
(
Continued Next Page
)
Disconnect
Disconnect
Troubleshooting
Note:
To gain better access to components, remove
the wires that plug onto the large relays on the
Relay Board. (See
Relay Board
.
) Cut the wire tie that
the Smart Board
CN103 wire harn ess (See
Smart
Board
.) is routed through.
Check voltage between either side of the Bottom
TCO and Relay Board CN16 pin 7.
• If 120 VAC is present, problem is with Upper
Cooling Motor or wiring (See
Wiring Diagram
)
to motor.
• If 120 VAC is not present, the
U
pper cooling
motor relay on the Relay Board is not closing.
See
Relay Board
troubleshooting section.
Disassembly
To remove the Upper Cooling Motor:
1. Remove the Outer Cover. (See
Outer Cover
.)
2. Disconnect wiring to the Upper Cooling Motor.
3. Remove and capture the 2 Phillips-head screws
located beneath the access openings on top of
the Air Tunnel Outlet.
4. Remove the Phillips-head screw behind the
Upper Cooling Motor.
