Samsung AM022FNNDEH Service Manual page 267

4-4-42 Outdoor Cond Out sensor breakaway error
Outdoor unit display
× ( Operation )
Indoorunit display
Judgment Method ∙ Refer to the judgment method below.
∙ Outdoor Cond Out sensor breakaway/defective/ relevant path blocked.
Cause of problem
1. Judgment Method
1) No inspection for Cooling operation.
2) For heating operation (Each of the conditions below needs to be satisfied for more than 20 minutes.)
Every compressor is in operation & indoor unit operation and Thermo On
2. Cause of problem
sensor and the sensor holder correctly
n the value of the sensor when operating from
Samsung Electronics
( Reservation )
High pressure average > 25kg/cm²
Low pressure average < 8.5kg/cm²
Teva, out - Tair, in ≥ 3°C
Teva, in - Tair, in ≥ 2°C
Tcond, out - Tair, out ≤ 0°C
Error Content
Is the Cond Out
attached?
Yes
Is the Cond Out sensor
resistance value reasonable?
(Refer to E231)
Yes
Are there any changes
stop to heating?
Yes
Complete
( Blast ) ( Filter ) × ( Defrost )
No
No
No
OK
OK
OK
OK
NO
OK
Outdoor Cond Out sensor breakaway error
Re-insert sensor.
Re-attach sensor holder.
Defective Sensor : Replace Sensor
Blocked Sensor Path :
Change heat exchanger Ass'y
Troubleshooting
267