Samsung RF31FM Series Manual page 167

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6. Self Diagnosis & Trouble Shooting
6-1. If the trouble is detected by self-diagnosis
5) If F Sensor has trouble
ERROR Code
DATA1. Temperature table
** Measuring point of resistance value
according to Sensor **
F : CN30-"4" ↔ CN76-"1" measuring
resistance value
** 0Ω: Short trouble / ∞Ω: Open trouble
Refer to circuit diagram in the manual
Sensor MICOM/Connector number
Connector CN30-"4"(Red) to
F
J23 JUMMPER PCB typical
Ground
Voltage measured between 4.6V ~ 0.6V.
Start
Are MAIN PCB
Connector CN30 and CN76
inserted correctly?
YES
IS F Sensor unit normal?
YES
Is the voltage between
MAIN PCB Connector CN30-"4"
(Red) and J23 JUMMPER normal?
YES
NO
Bad contact of connector/
insert correctly
NO
Replace temperature sensor
NO (0.6V > Measurement < 4.6V)
Recheck the wiring
connection
To do list
167