Samsung NE597N0PBSR Servise Manual page 65

4. Troubleshooting
4-2 Electrical Malfunction
Troubleshooting (Heating)
Check the relay terminal voltage
(240V)
Check the all IGBT terminal resistance
(G-E, G-C, E-C)
Is there any shorted circuit?
Perform the 'PCB failure' process
Heating Failure
Check the wiring.
65
Repair the relay or missing circuit
component.
Replace or Repair the wiring
Replace the Assy-Inverter Module.