Troubleshooting_51
Check type
Check code
Checking method
Corrective actions
No Power check
None
1. Check the connections for the power plug.
- Reconnect the power plug.
2. Check the voltage of the power outlet.
► Normal : 120V
- Connect to a 120V power source.
3. Check Power Key on state.
- Try to touch the Power key.
4. Check the connections for the Sub PBA and Touch PBA connector parts.
- Reconnect the Sub PBA and Touch PBA connectors.
5. Check the connection of the Main PBA connector CN101
- Reconnect CN101
6. Check the connections for the Sub PBA and Main PBA connector parts.
- Reconnect the Sub PBA and Main PBA connectors.
7. Check whether there is condensation on the PBA.
- CN103 of Display Control Module connector.
- CN100 TOUCH Module connector.
► Normal: No condensation
- Faulty: Remove any condensation and moisture.
- Normal: Replace the Control Panel Assy.
8. Check the DC voltage of the Main PBA.
- See “Main PBA DC voltage check code”.
9. In case of is No Power after Method 1~10 action
- Replace the Control Panel Assy.
(Sub, Touch, wire)
10. In case of is No Power after Method 1~11 action
- Replace the Main PBA.
Display check
None
1. Check the connections for the Display LED connector part.
- Reconnect the connectors for Display LED.
2. Check the Display LED.
- Faulty: Replace the Display LED and Sub PBA.
Dry check
None
1. Check the wire connections for the Fan Motor.
- Reconnect the Fan Motor connectors.
2. Check the resistance of the Fan Motor coil.
(Remove the connector before measuring.)
► Normal: Approx. 150Ω
- Faulty: Replace the Fan Motor Assy.
3. Check the resistance of the Thermal Actuator.
(Remove the connector before measuring.)
► Normal: Approx. 1.45kΩ
- Faulty: Replace the Thermal Actuator.