Samsung RS257BABB Service Manual page 57

Reference for circuit diagnostics
12-3) Check a load
Load
Freezer Def Heater
Ref. Def Heater
1) Dispenser Heater
2) Water Tank Heater
Ref. Fan Motor
(RS253* Model)
ICE SOLENOID
VALVE
AUGER MOTOR
CUBE SOLENOID
VALVE
Measuremenr Termina l Value
0Ϊ
between CN70 (13)
and CN70(7)
∞Ϊ
0Ϊ
between CN70 (9)
and CN70(7)
∞Ϊ
0Ϊ
between CN70 (11)
and CN70(1)
∞Ϊ
0Ϊ
between CN70 (11)
and CN71(7)
∞Ϊ
0Ϊ
between CN70 (11)
and CN71(5)
∞Ϊ
0Ϊ
between CN70 (11)
and CN71(3)
∞Ϊ
0Ϊ
between CN70 (11)
and CN71(1)
∞Ϊ
57
Unplug the powercord and disconnect the
main PCB CN70 and CN71, the measure the
follows :
1. As shown in table below, measure the
resistance between terminals, check load
trouble and wire connection error.
2. The diagram of circuit was drawn based on the
maximum load. When a repair is needed, see
the electric wiring diagram on the back of
refrigerator to troubleshoot the corresponding
model.
3. For safety, you must turn the power off.
Contents
Temperature fuse, heater, wires short trouble
Temperature fuse, heater, wires disconnection trouble
Temperature fuse, heater, wires short trouble
Temperature fuse, heater, wires disconnection trouble
Heater, wires short trouble
Heater, wires, and connector disconnection
Coil, wires short trouble
Coil, wires disconnection trouble
Coil, wires short trouble
Coil, wires disconnection trouble
Coil, wires short trouble
Coil, wires disconnection trouble
Coil, wires short trouble
Coil, wires disconnection trouble