Cooling Mode Heating Mode
Condition of the
air
conditoner Low Pressure High
Pressure
Electric
current
during
operation
Low Pressure High
Pressure
Insufficient
refrigerant (gas
leakage)
Clogged capillary
tube or Strainer
Short circuit in
the indoor unit
Heat radiation
deficiency of the
outdoor unit
Inefficient
compression
- Carry on the measurements of pressure, electric current, and
temperature fifteen minutes after an operation is started.
12.2. Breakdown Self Diagnosis Function
Once abnormality detected during operation, the unit will immediately stop its operation (Timer
LED is blinking) and maximum of three error codes (abnormality) will be saved in memory. The
abnormality of the operation can be identified through thebelow breakdown diagnosis method:
- Press “CHECK” button at remote control continuously for more
than five seconds to turn on the diagnosis mode, “H11” will be
displayed at remote control.
- By pressing the TMER “ ” button once, next error code will be
displayed; press “V” button once, previous error code will be
displayed.
- If error code displayed matches the error code saved in unit
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