10.1 Problem Symptoms and Measures
Symptom Check Item Details of Measure
None of the units
operates
Check the power supply.
Check to make sure that the rated voltage is
supplied.
Check the indoor PCB Check to make sure that the indoor PCB is broken
Equipment
operates but does
not cool, or does
not heat (only for
heat pump)
Diagnosis by service
port pressure and
operating current.
Check for insufficient gas.
Large operating
noise and
vibrations
Check the installation
condition.
Check to make sure that the required spaces for
installation (specified in the Technical Guide, etc.) are
provided.
Domestic air conditioner
10.Serv ice Diagnosis
Service diagnosis
16
10.2 Parameter of primary electronic appliance
PictureParameterNameNO
1
Rated voltage:208/230V
2
Compressor
Rated current：7.9A
Rated frequency：60HZ
Resistance：43.5A
Fan motor
Rated voltage：220V
Rated current：0.45A
Rated frequency：60HZ
Rated power：29W
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