SELF DIAGNOSTIC FUNCTION FOR MALFUNCTIONS DETECTION
The electronic printed circuit board in the indoor unit is equipped
with smart self diagnostic function which automatically stops the
operation of the air conditioner in case of a malfunction.
When the system is on and in a malfunction, Error Code is shown on the display &
receiver panel to refer to malfunction reason for easy fast service and maintenance.
Display & receiver panel used with models :
12K – 18K – 24K – 30K – 36K – 42K – 48K – 60K
Indoor and Outdoor communication malfunction
Room temperature sensor (open or short circuit )
Indoor coil temperature sensor
( open or short circuit )
Outdoor temperature sensor or coil temperature
sensor ( Open or short circuit ) or
( Phase reversal error or phase loss )
Indoor PCB ( EEPROM malfunction )
Water-level alarm malfunction
( with optional drain pump )
Indoor DC motor out of control
Refrigerant Leak or any malfunction leads to
stopping of compressor operation
Display & receiver panel used with model : 72K
Indoor and Outdoor communication malfunction
Room temperature sensor (Open or short circuit )
Indoor coil first pipe temperature sensor
(Open or short circuit )
Indoor coil second pipe temperature sensor
Indoor DC motor out of control
Indoor PCB ( EEPROM malfunction )
Outdoor unit malfunction ( Phase reversal error
or phase loss )
Water-level alarm malfunction ( with optional
drain pump )
= Flash at 5Hz X = OFF
NOTES
1- Prior to the malfunction repair, disconnect the electrical mains supply by moving the circuit breaker to OFF position.
2- After repairing the malfunction, connect the electrical main supply by moving the circuit breaker to ON position
and operate the air conditioner by using wired room controller.
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