Display Function Of Communication Error - Samsung RF32FMQDBSR/AA Service Manual

TROUBLESHOOTING
3) Forced defrosting function
3-1) If you press the test Key again while the Forced Operation (Fr) is running, Fd is displayed on the
Display, the Forced Operation (Fr) is cancelled immediately and the Forced defrosting (Fd) operation runs.
3-2) If Forced Freezing, Cool Select defrosting or Fridge Compartment defrosting (Fan Defrost) (Fd) begins, a
beeping sound will be heard for 2 seconds and then the sound will be turned on for 0.5 seconds and
then off for 0.5 seconds repeatedly while the Forced defrosting function runs.
4) Releasing Test Mode
4-1) When the refrigerator is performing the defrosting operation of both the freezer and the fridge
compartments through the Forced Operation, if you switch the Display Panel to Test Mode and press the
test Key again, the defrosting operation of the freezer and the fridge compartments is released and the
refrigerator returns to normal operations. Alternatively, if you turn the main power switch off and then on,
Test Mode is released.

4-1-2. Display function of Communication error

1) Display function when Panel ⇀ MAIN MICOM communication has error
1-1) If there is no answer for 10 seconds after the panel micom received the requirement of communication,
"Pc - Ch" display on the panel PCB will be ON/OFF alternately until the communication error is canceled.
(0.5 sec ALL ON, 0.5 sec ALL OFF alternately)
2) Display function when Panel ⇀ MAIN MICOM OPTION has error
2-1) "OP - Ch" code is repeatedly ON/OFF until Option error settles down.
3) Display function when Dispenser Panel ⇀ MAIN MICOM communication has error
3-1) If there is no answer for 10 seconds after the dispenser panel micom received the requirement of
communication, dispenser display on the panel PCB will be ON/OFF alternately until the communication error
is canceled. (0.5 sec ALL ON, 0.5 sec ALL OFF alternately)
4) Display function when Dispenser Panel ↔ MAIN MICOM OPTION has error
4-1) Dispenser display on the panel PCB will be ON/OFF alternately.
(0.5 sec ALL ON, 1.5 sec ALL OFF alternately)
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