1. Relationship between the condition of the air conditioner and pressure and electric current
Cooling Mode Heating Mode
Condition of the air
conditoner Low Pressure High Pressure Electric current
during operation
Low Pressure High Pressure Electric current
during operation
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 the below
breakdown diagnosis method:
•
Press “CHECK” button at remote controller continuously for more than five seconds to turn on the diagnosis mode, “H11” will
be displayed at remote controller.
•
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 memory (abnormality detected), four “beep” sounds will be heard
and Power LED will light on. Otherwise, one “beep” sound is heard.
If “CHECK” button is press again or without any operation for 30 seconds, the diagnosis mode will turn off.
63
CS-E9BKP CU-E9BKP5 / CS-E12BKP CU-E12BKP5
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