Samsung RB37A50N0SA [60/101] Troubleshooting

4. TROUBLESHOOTING

4-2-1) When Self-Diagnosis Error occurs

- The Display Panel shows the Sensor Error and, when the unit is plugged in and there are sensor errors, the unit does not

operate and LED related to the defective sensors keep blinking.

- When sensor defects occur during the operation, the unit keeps working. But, it shifts to the Emergency Operation and it

may not work properly. So, please check the unit according to the Self Diagnosis function.

1) When the R-Sensor is defective

ERROR CODE

MAIN PCB Connector CN30 is

inserted properly?

R Sensor is

normal?

Voltage between MAIN PCB

Connector CN30-"5"(ORG)

and CN30-"7"(GRY)?

Input Voltage at IC10

MICOM Pin #23 is normal?

Start

PCB and Temp Sensor are normal.

Check the connector contact.

Connector contact defect /

Reconnect

Replace Temp Sensor

Check the wire connection

Check Soldering Defect & Short

No NO (0.6V > Value or Value > 4.6V)

Yes

Sensor MICOM/Connector #

Between Connector CN30-

"5"(ORG) and CN30-"7"(GRY)

Voltage : Between 4.6V ~ 0.6V

** Sensor Resistance Reading Location **

R : Between CN30 #5 and #7

** 0Ω : Short / ∞Ω : Open

Voltage at IC10 MICOM #23

is the same as the value

between CN30-"5"(ORG) and

CN30-"7"(GRY)

Refer to Circuit Diagram

DATA1. Temp Table