Samsung AVMKH020EA0 Service Manual page 221

8
Troubleshooting
Error Display
Contents Remark
SEG 1 SEG 2,3,4
COND-OUT SUB 1 TEMP sensor error OPEN/SHORT
COND-MID sensor breakaway of outdoor unit
COND-OUT 1 breakaway
PWM DISCHARGE TEMP sensor error OPEN/SHORT
_ Detected when the outdoor temperature is over -10˚C
_ ERROR LEVEL : OVER 4.95V(-30˚C), BELOW 0.5V(151˚C)
Fixed capacity compressor 1 DCHRG sensor error OPEN/SHORT
_ Detected when the outdoor temperature is over -10˚C
Fixed capacity compressor 2 DCHRG sensor error OPEN/SHORT
_ Detected when the outdoor temperature is over -10˚C
_ ERROR LEVEL : OVER 4.95V(-30˚C), BELOW 0.5V(151˚C)
Fixed capacity compressor 3 DCHRG sensor error OPEN/SHORT
_ Detected when the outdoor temperature is over -10˚C
_ ERROR LEVEL : OVER 4.95V(-30˚C), BELOW 0.5V(151˚C)
Digital discharge sensor breakaway
Fixed 1 discharge sensor breakaway
Fixed 2 discharge sensor breakaway
Fixed 3 discharge sensor breakaway
Sump-main breakaway error
Sump Sub 1 breakaway error
Sump Sub 2 breakaway error
Sump Sub 3 breakaway error
Suction breakaway error
SUMP TEMP DIGITAL sensor error OPEN/SHORT
_ Detected when the outdoor temperature is over -10˚C
_ ERROR LEVEL : OVER 4.95V(-30˚C), BELOW 0.5V(151˚C)
SUMP TEMP FIXED 1 sensor error OPEN/SHORT
_ Detected when the outdoor temperature is over -10˚C
_ ERROR LEVEL : OVER 4.95V(-30˚C), BELOW 0.5V(151˚C)
SUMP TEMP FIXED 2 sensor error OPEN/SHORT
_ Detected when the outdoor temperature is over -10˚C
_ ERROR LEVEL : OVER 4.95V(-30˚C), BELOW 0.5V(151˚C)
SUMP TEMP FIXED 3 sensor error OPEN/SHORT
_ Detected when the outdoor temperature is over -10˚C
_ ERROR LEVEL : OVER 4.95V(-30˚C), BELOW 0.5V(151˚C)
High pressure sensor error OPEN/SHORT
Detected when the compressor is ready to operate.
_ SHORT error : BELOW O.4V
_ OPEN error : detected over 4.2V
Low pressure sensor error OPEN/SHORT
Detected when the compressor is ready to operate.
_ SHORT error: BELOW 0.4V
_ OPEN error: detected over 4.7V
- 220 -