Samsung AM072BXV Series Service Manual page 106

Troubleshooting
4-3 Appropriate Measures for Different Symptom (cont.)
4-3-19 Outdoor Cond Out sensor breakaway error (cont.)
Outdoor unit
display
Duct, Cassette (1/2 Way),Console, Celing
Operation Defrost
Indoorunit
display
×
※ ● : ON ◑ : Flash ×: OFF
Judgment
• Refer to the judgment method below.
Method
Cause of
• Outdoor Cond Out sensor breakaway/defective/ relevant path blocked.
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.)
1. Point of enter.
① Detected only when heating operation.(Except main heating operation)
② Compressor operation maintained 40 minutes after start.
2. Point of enter
① l Tcondout_real-Tcondout_ini l < 2℃ maintain conditions during 40 minutes.
※ Tcondout_ini : Condout out temperature just before the compressor operating starts.
Tcondout_real : Condout temperature of the current compressor.
2. Cause of problem
sensor and the sensor holder correctly
Is the Cond Out sensor
resistance value reasonable?
Are there any changes
the value of the sensor when operating from
Samsung Electronics
(Water Cooled)
Timer Fan Filter/MPI Operation Defrost
× ◑ ◑
Is the Cond Out
attached?
Yes
(Refer to E231)
Yes
stop to heating?
Yes
Complete
Cassette (4/Mini4 Way)
◑ × ◑
No
Defective Sensor : Replace Sensor
No
Change heat exchanger Ass'y
No
Wall-mounted (NeoForte)
Timer Filter Operation
◑ ◑ ●
Re-insert sensor.
Re-attach sensor holder.
Blocked Sensor Path :
Timer Turbo
◑ ◑
100