EdgeStar CWB8420DZ - Replacing the Evaporator Fan and Temperature Sensor in the Upper Zone (CWB8420 DZ); Replacing the PTC Heater, Fan and Temperature Sensor in the Lower Zone (CWB8420 DZ)

8.3.2 Replacing the Evaporator Fan and Temperature Sensor in the Upper Zone
(CWB8420DZ)
1. Remove all shelves.
2. Remove the screws
○
1 that secure the upper air channel cover
○
4 to the cabinet.
3. Disconnect the fan motor wiring connector. Then pull out the upper air channel cover.
4. Unscrew the thermistor supporter
○
3 and now you can replace the temperature sensor
○
5
in the upper zone. To test the temperature sensor use table 8.2.1.
5. Remove/Disassemble the four screws that secure the fan motor
○
6 to the upper air
channel cover and then you can replace the evaporator fan motor.
8.3.3 Replacing the PTC Heater, Fan and Temperature Sensor in the Lower Zone
(CWB8420DZ)
1. Remove all shelves.
2. Remove the screws
○
1 that secure the lower air channel cover
○
4 to the cabinet.
3. Disconnect the fan motor wires. Then pull out the lower air channel cover.
4. Now you can see the PTC heater
○
8 for replacing.
5. Unscrew the thermistor supporter
○
2 and now you can replace the temperature sensor
○
3
in the lower zone. To test the temperature sensor use table 8.2.1.
6. Remove/disassemble the four screws
○
5 that secure the fan motor
○
7 to the lower air
channel cover and then you can replace the evaporator fan motor.