Samsung FER710DRS - Page 46

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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
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4-2 Electrical Malfunction