73
TROUBLESHOOTING
2) When the EXT Sensor is defective
MAIN PCB SENSOR
(CN31) is inserted properly?
EXT Sensor is
normal?
Voltage between
MAIN PCB Connector CN31-"3"(ORG)
and CN31-"4"(WHT)?
Input Voltage at IC01
MICOM Pin #50 is normal?
Start
PCB and Temp Sensor are normal.
Check the connector contact.
Connector contact defect /
Reconnect
Replace Temp Sensor
Check the assembled status of the
Sensor.
Check Soldering Defect & Short
No
No
No
NO (0.6V > Value or Value > 4.6V)
No
Yes
Yes
Yes
Yes
Sensor MICOM/Connector #
Ambient
Between Connector
CN31-"3"(ORG) and
CN31-"4"(WHT)
Voltage : Between 4.6V ~ 0.6V
Voltage at IC10 MICOM #50 is the
same as the value between CN31-
"3"(ORG) and CN31-"4"(WHT) of the
CN31 on MAIN PBA.
Refer to Circuit Diagram
** Sensor Resistance Reading
Location **
Ambient : Between CN31 #3 and #4.
** Located in the PCB Box
** 0Ω : Short / ∞Ω : Open
DATA1. Temp Table
- 2 BOARD
ERROR CODE
