Self Diagnostic Function For Malfunctions Detection - Carrier ClassiCOOL 53KDHT60N-518 Instruction Manual

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.
MALFUNCTION
REASON
Mode conflict
Indoor and Outdoor communication malfunction
Room temperature sensor (Open or short circuit )
Indoor coil temperature sensor (Open or short circuit )
Outdoor coil temperature sensor (Open or short circuit)
Fan protection
Indoor PCB ( EEPROM malfunction )
Outdoor unit malfunction ( Phase reversal error
or phase loss )
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.
Display & receiver panel
LED
OPERATION
X
X
☆
☆
☆
X
X
X
X
☆
= Flash at 5Hz
53
LED LED LED
TIMER DEF/FAN ALARM
☆
X X
☆
X X
X X X
X X X
X X X
☆
X X
☆
X X
☆
X X
☆
X X
= OFF
X
DISPLAY
DIGITAL TUBE
E0
E1
E2
E3
E4
E6
E7
Ed
EE