Table of Contents
Advertisement
26. 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 wired controller
display to refer to malfunction reason for easy fast service and maintenance.
Wired controler used with models :
12K – 18K – 24K – 30K – 36K – 42K – 48K – 60K
Outdoor unit malfunction ( Phase reversal error or phase loss )
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 High pressure protection
Indoor PCB ( EEPROM malfunction )
Indoor DC motor out of control
Water-level alarm malfunction ( with optional drain pump )
Other malfunction
Wired controler used with model : 72K
Mode conflict
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 (Open or short circuit )
Indoor DC motor out of control ( check display panel for error fan protection )
Indoor PCB ( EEPROM malfunction )
Outdoor unit malfunction
Water-level alarm malfunction ( with optional drain pump )
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.
Malfunction Reason
Malfunction Reason
(Phase reversal error or phase loss or other malfunction)
80
E2
Malfunction Code
E0
E1
E2
E3
E5
E7
E8
EE
EF
E2
Malfunction Code
E0
E1
E2
E3
E4
E7
Ed
EE
Hide quick links:
Advertisement
Table of Contents
