Samsung RB197AB Service Manual download pdf (Page 8)

Refrigeration Troubleshooting

 The Forced Operation Mode is a valuable troubleshooting tool for testing

compressor operation & some fan operation.

 Forced Freeze (FF) Mode

• The compressor is started without the 5-7 minute delay

 You can accurately check defrost sensor voltages in this mode with

the cold evaporators.

 You can check the compressor current draw or check voltage at the

main PCB in this mode.

• Some fans will be turned on in this mode, to allow voltage testing. The

door switches still control the fan operation. (Fridge fan is still

controlled by the compartment sensor, Cond fan by the ambient sensor)

• Inverter Compressors (most models), 3 speeds (FF1, FF2, FF3) can be

selected and check some fans, current draw or compressor control

voltage in the Forced Operation. (Fridge fan is still controlled by the

compartment sensor, Cond fan by the ambient sensor)

ASK

TEST

RESULTS

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Samsung RB197AB Service Manual Page 8