59
Domestic air conditioner
HSU-09/12RS03/R2(SDB)
Service Diagnosis
YES
NO
YES
NO
the temperature
exceeds 110
shortly
ć
after the machine
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.
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
Measure the temperature at the exhaust temperature
sensor of the compressor on the outdoor unit
YES
Malfunctions occur after running
for some time? even though the
asured temperature is below
117
ć
.
Exhaust temperature
sensor is broken and
needs be replaced
Pull out the exhaust sensor and measure its
resistance at standard temperatures
according to the resistance-temperature table
NO
The sensor is damaged. Replace the sensor
with a new one.
the results deviate
much?
YES
The sensor is damaged. Replace the sensor
with a new one.
The outdoor mainboard is damaged and
needs be replaced
NO
