Samsung FER710DRS - Electrical Malfunction

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4. Troubleshooting
Troubleshooting (Power)
Check terminal block voltage.
(240V,60Hz)
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No Power
Check the wiring.
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Check the votage of PCB, SMPS
-input : 120V
-output : 12V,5V
Replace the defected PCB.
Check the terminal block connections
Check the circuit breaker.
Replace or Repair the wiring
Troubleshooting (Heating)
Check the relay terminal voltage
(240V)
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Heating Failure
Check the wiring.
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Check the all IGBT terminal resistance
(G-E, G-C, E-C)
Is there any shorted circuit?
Perform the 'PCB failure' process
Repair the relay or missing circuit
component.
Replace or Repair the wiring
Replace the Assy-Inverter Module.
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4-2 Electrical Malfunction