4-4-42 Outdoor Cond Out sensor breakaway error
2.
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.)
High pressure average > 25kg/cm² OK
Low pressure average < 8.5kg/cm² OK
Teva, out - Tair, in ≥ 3°C OK
Teva, in - Tair, in ≥ 2°C OK
Tcond, out - Tair, out ≤ 0°C NO
Every compressor is in operation & indoor unit operation and Thermo On OK
Error Content Outdoor Cond Out sensor breakaway error
Yes
Yes
Is the Cond Out
sensor and the sensor holder correctly
attached?
Are there any changes
n the value of the sensor when operating from
stop to heating?
Is the Cond Out sensor
resistance value reasonable?
(Refer to E231)
Complete
Re-insert sensor.
Re-attach sensor holder.
Yes
No
Defective Sensor : Replace Sensor
No
Blocked Sensor Path :
Change heat exchanger Ass'y
No
Outdoor unit display
Indoor unit display
Operation Timer
Criteria
Refer to the judgment method below.
Cause of problem
Outdoor Cond Out sensor breakaway/defective/ relevant path blocked.
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