190
Troubleshooting
(2) Contents of Check Mode 2
Temperature Indication
Normal
(Thermistor Open-circuited
or PCB Defected)
(Temp. for Top of Comp.)
……
Temperature Displayed
Abnormal
Indication of Category Code
Indication of Temperature, etc.
1
Indoor Unit Intake
Air Temp. at
Thermistor
Indoor Unit
Discharge Air Temp.
at Thermistor
2
Indoor Unit Heat
Exchanger Liquid
Pipe Temp. (Freeze
Protection)
3
4
Outdoor Air Temp.
Indoor Heat
Exchanger Gas
Pipe Temp.
5
at Heating
6
Evaporating Temp.
7 Control Information
Discharge Gas
Temp. at the Top of
Comp. Chamber
8
Check the thermistors
(NOTE 1) During transient period such as starting time, etc.,
"- -" may be indicated for a limited time.
(NOTE 2) All the data during the check mode 2 will be
changed to "00" if a power failure occurs during
alarm indication.
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- -
or
129
(Thermistor Short-circuited
or PCB Defected)
F F
or
255
(Temp. for Top of Comp.)
or
127
This is an indication for internal information for the
remote control switch.
This does not have any specific meaning.
The average temperature of running compressors
is indicated.
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