Samsung Electronics 314
Test Operation
7) Cycle status
What to inspect: Outdoor unit's operation cycle status
Error code: None ("NG" is only indicated in the result report)
■ Precautions
Take corrective measures.
Take corrective measures.
Replace the thermistors.
Take corrective measures.
Ventilate the room.
Take corrective measures.
Does the result
the inspection items other than the cycle
status are normal?
Are
the connectors of the discharge
thermistor and Compressor Top thermistors
properly connected to
the PBA?
Are all
the thermistors attached to
the correct positions?
Are the resistance values
* for the discharge thermistor and Compressor Top
thermistors normal?
Has the indoor unit been
in the Thermo On status during the Auto Trial
Operation?
Is the operation cycle normal?
Perform Trial Operation (cooling/heating)
- See the instructions on Key operation modes.
Perform Auto Trial Operation again.
No
No
Yes
Yes
Yes
Yes
Yes
Yes
No
No
No
No
Resistance Disconnect the therm-
istor connectors from the PBA
and then measure the resistance
-
nectors.
[Resistance values for the discharge
thermistor and the Top thermistors]
Temperature
(℃ )
Resistance
130 8.9
120 11.2
100 18.5
80 32.0
60 59.0
25 200.0
20 242.0
10 362.0
0 553.0
9-1 Auto Trial Operation (cont.)
9-1-3 How to resolve NG items (cont.)
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