Samsung AM080xXV Series Service Manual page 158

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
resistance value reasonable?
n the value of the sensor when operating from
Samsung Electronics
(Water Cooled)
Timer Fan Filter/MPI Operation Defrost
× ◑ ◑
Is the Cond Out
attached?
Yes
Is the Cond Out sensor
(Refer to E231)
Yes
Are there any changes
stop to heating?
Yes
Complete
Cassette (4/Mini4 Way)
◑ × ◑
No
No
Defective Sensor : Replace Sensor
No
Wall-mounted (NeoForte)
Timer Filter Operation
◑ ◑ ●
Re-insert sensor.
Re-attach sensor holder.
Blocked Sensor Path :
Change heat exchanger Ass'y
Troubleshooting
Timer Turbo
◑ ◑
4-41