2U14CS1ERA-SM
Service diagnosis
63
Domestic Air Conditioner
Electrify the machine again and turn it on with the remote controller,
then measure the temperature at the exhaust temperature sensor of
the compressor on the outdoor unit
the temperature exceeds
110 shortly after the ć
machine starts u
?
1) The cryogen may have been leaked during
installation, or there may be leakage in the piping
system.
2) There may be other causes to make the exhaust
temperature too high.
Malfunctions occur after running for some time even
though the measured temperature is below 110ć. Pull
out the exhaust sensor and measure its resistance at
standard temperatures according to the
resistance-temperature table
the results deviate
much?
The sensor is damaged. Replace the sensor
with a new one.
The outdoor mainboard is damaged and needs be
re
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