64
4. Troubleshooting
PCB Failure
- Check the input voltage of
PCB SMPS (input check-
point : 120V )
- Check the output voltage of
PCB SMPS (Output check-
point : 5V/12V )
Check the Assy-Inverter Module & Assy Touch PCB’s
input voltage(5V,12V,GND)
Reset the circuit braker or
check main power.
Repair Faulty wiring
or PCB check
- Check Terminal block
voltage(240V).
Repair the relay or replace
PCB.
Do all relays operate?
Replace PCB
Replace PCB
Troubleshooting (PCB failure)
Replace or Repair the wiring
YES
YES
NO
NO
YES
YES
YES
NO
NO
NO
4-2 Electrical Malfunction