187
Troubleshooting
(1) Contents of Check Mode 1
Temperature Indication
Normal
Thermistor Open-circuited
or PCB Defected
(Temp. for Top of Comp.: 129)
……
Temperature Displayed
Abnormal
Indication of Category Code
Indication of Temperature, etc.
1
Indoor Unit Temp
.
Setting
Indoor Unit
Intake Air Temp.
at Thermistor
2
Indoor Unit
Discharge Air Temp.
at Thermistor
3
Indoor Unit Heat
Exchanger Liquid
Pipe Temp.
4
5
Temperature at
Remote Sensor
Outdoor Unit
6 Ambient Air Temp.
Indoor Unit Heat
Exchanger Gas
Pipe Temp.
7
Outdoor Unit
Evaporating Temp.
during Heating
8
9 Control Information
Discharge Gas
Temp. at the Top of
Comp. Chamber
10
Check the thermistors
(NOTE 1) During transient period such as starting time, etc.,
"- -" may be indicated for a limited time.
This is indicated only when a remote sensor is connected.
The indication of "- -" is normally indicated.
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- -
or
129
Thermistor Short-circuited
or PCB Defected)
F F
or
255
(Temp. for Top of Comp.: 127)
or
127
This indicates the internal information for the remote
control switch.
(ex.) During two compressors operation, average
temperature of two compressors is indicated.
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