Outdoor Cond Out Sensor Breakaway Error - Samsung AM072FXVAFH series Service Manual

4-4-19 Outdoor Cond Out sensor breakaway error

Outdoor unit display
Operation Defrost
Indoorunit display
※ ● : ON ◑ : Flash ×: OFF
Judgment Method ∙ Refer to the judgment method below.
Cause of problem ∙ Outdoor Cond Out sensor breakaway/defective/ relevant path blocked.
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.)
Checking of condition
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
Every compressor is in operation & indoor unit operation and Thermo On
2. How to check
sensor and the sensor holder correctly
resistance value reasonable?
n the value of the sensor when operating from
Samsung Electronics
(Air Cooled)
Duct, Cassette (1/2 Way),Console, Celing
Timer Fan
× × ◑ ◑
Error Content
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)
Filter/MPI Operation Defrost Timer
◑ ◑ ◑
×
Outdoor Cond Out sensor breakaway error
No
No
No
Wall-mounted (NeoForte)
Filter Operation Timer Turbo
◑ ● ◑ ◑
satisfy condition ?
Yes
Yes
Yes
Yes
No
Yes
Re-insert sensor.
Re-attach sensor holder.
Defective Sensor : Replace Sensor
Blocked Sensor Path :
Change heat exchanger Ass'y
Troubleshooting
4-51