Samsung RFG298AARS Especificações descarregar pdf (Página 92)

TROUBLESHOOTING

Start

Is the confirming sound of

the valve operation heard when

Ice maker(F) test switch pushed?

Does Main PCB MICOM

#58 have high (5V)output?

Does Main PCB IC72

#18 have about 0.7V

output?

Is the contact point of main

PCB RELAY RY76 normal?

MAIN PCB normal

-- Need to check the other parts

① Check the wire between Ice

water valve↔MAIN PCB

② Ice water valve itself has trouble

or bad contact of connector

③ Check the connection hose

Normal(Check Ice

water valve hose)

Check soldering

short/Replace PCB

Check soldering

short/Replace PCB

Check soldering

short/Replace PCB

Typical PCB Ground REG1 Heater Sink

☞ Checking method of voltage Based on

PCB typical Ground REG1 Heater Sink

1) Check the voltage of IC72#1(same voltage

as IC01#58)

- ICE Water valve operating (about 5V±0.5V)

Based on PCB typical Ground REG1 Heater Sink

2) IC72 #18 voltage

- ICE Water valve Waiting (about 13V±0.8V)

- ICE Water valve operating (about 0.7V±0.5V)

3) Check the voltage of Fridge Ice Water Valve

operating(AC voltage)

=> For checking the Relay RY76

CN70-"9"(Red) ↔ CN72-"5"(Brown)

- ICE Water valve waiting (about AC 0V)

- ICE Water valve operating (about AC 115V ± 20%)

2) Freeze Ice Water valve(Dual Ice Maker)

1 2 ... 87 88 89 90 91 92 93 94 95 96 97 ... 132 133

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Samsung RFG298AARS Especificações Página 92

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