Tco Open - Samsung NV75N7570RS Service Manual

4-2-10 TCO Open

TCO Open
Replace TCO
- Cooling motor,
Convection Motor check
YES
- PCB SMPS Input Voltage check
(input check point: 5V, 230~240V)
YES
- PCB SMPS output Voltage check
(output check point: 5V, 12C)
YES
- PCB Relay contact short check
NO
Check wire short and operation
of a sensor
This document can not be used without Samsung's authorization.
Note : When oven is operating , if main power off,
power oven off, in temporary temperature rise,
TCO is possible will can open.
- Motor Terminal Voltage check
NO
NO
YES
NO
NO
YES
• Motor Connect wire Remove
- Motor Resistor check
(Cooling motor: 238Ω
Convection Motor: 218Ω)
YES
Repair Faulty wiring
Replace PCB
Replace PCB
- 33 -
Replace Motor
NO