Outdoor Unit - Samsung AR07TSFABWKN Service Manual

Troubleshooting

4-1-2 Outdoor Unit

The table below list the self-diagnostic routines. For some of error, you must contact an authorized service center.
If an error occurs during the operation, it is displayed on the outdoor unit PCB MAIN-OUT.
AJ020TXJ2CH, AJ024TXJ3CH
- PCB MAIN - OUT
Error Code
ERROR DUE TO REPEATED ADDRESS SETTING(WHEN 2 OR MORE DEVICES HAS THE SAME
E108
ADDRESS WITHIN THE NETWORK)
E190 PIPE CHECK ERROR
E199 PIPE CHECK OPERATION HAS NOT BEEN COMPLETED
COMMUNICATION ERROR BETWEEN INDOOR AND OUTDOOR UNIT(INSTALLATION NUMBER
E201
SETTING ERROR, REPEATED INDOOR UNIT ADDRESS, INDOOR UNIT COMM
COMMUNICATION ERROR BETWEEN INDOOR AND OUTDOOR UNIT(COMMUNICATION ERROR
E202
ON ALL INDOOR UNITS, OUTDOOR UNIT COMMUNICATION CABLE ERROR)
E203 COMMUNICATION ERROR BETWEEN INVERTER PBA AND MAIN PBA
E221 ERROR ON AMBIENT TEMPERATURE SENSOR (SHORT OR OPEN)
E237 ERROR ON CONDENSOR TEMPERATURE SENSOR(SHORT OR OPEN)
E251 ERROR ON DISCHARGE TEMPERATURE SENSOR(SHORT OR OPEN)
E320 ERROR ON COMPRESSOR OLP TEMPERATURE SENSOR(SHORT OR OPEN)
E330 ERROR ON PIPE IN-A TEMPERATURE SENSOR(SHORT OR OPEN)
E331 ERROR ON PIPE IN-B TEMPERATURE SENSOR(SHORT OR OPEN)
E332 ERROR ON PIPE IN-C TEMPERATURE SENSOR(SHORT OR OPEN)
E333 ERROR ON PIPE IN-D TEMPERATURE SENSOR(SHORT OR OPEN)
E334 ERROR ON PIPE IN-E TEMPERATURE SENSOR(SHORT OR OPEN)
4-4
- PCB MAIN – OUT
(AJ020TXS3CH, AJ***TX*4CH, AJ***TX*5CH)
Explanation Remark
Samsung Electronics