Daikin Super Multi Plus D-Series, Service Manual

Page: 225 / 395

Instruction SiEBE18-526
214 System Configuration
C
O N
TEMP
ON/OFF
POWERFUL
HOME LEAVE
MODE
TIMER
FAN SWING
SILENT SENSOR
ON CANCEL
OFF
Fault diagnosis
FAULT DIAGNOSIS BY REMOTE CONTROL
In the ARC433A series, the temperature display sections on the main unit indicate corresponding codes.
1. When the TIMER CANCEL button is held down for 5 seconds, a “ ” indication flashes on the
temperature display section.
2. Press the TIMER CANCEL button repeatedly until a continuous beep is produced.
• The code indication changes as shown below, and notifies with a long beep.
It cancels the timer setting.
TIMER CANCEL button
MEANING
NORMAL
REFRIGERANT SHORTAGE
DROP VOLTAGE OR MAIN CIRCUIT OVERVOLTAGE
FAILURE OF TRANSMISSION (BETWEEN INDOOR UNIT AND OUTDOOR UNIT)
INDOOR PCB DEFECTIVENESS
HIGH PRESSURE CONTROL OR FREEZE-UP PROTECTOR
FAN MOTOR FAULT
FAULTY HEAT EXCHANGER TEMPERATURE SENSOR
FAULTY SUCTION AIR TEMPERATURE SENSOR
COOLING-HEATING SWITCHING ERROR
OL STARTED
FAULTY COMPRESSOR START UP
DC FAN MOTOR FAULT
OPERATION HALT DUE TO DETECTION OF INPUT OVER CURRENT
HIGH TEMPERATURE DISCHARGE PIPE CONTROL
HIGH PRESSURE CONTROL (IN COOLING)
OPERATION HALT DUE TO FAULTY POSITION DETECTION SENSOR
CT ABNORMALITY
FAULTY SUCTION AIR TEMPERATURE SENSOR
FAULTY DISCHARGE PIPE TEMPERATURE SENSOR
FAULTY HEAT EXCHANGER TEMPERATURE SENSOR
HIGH TEMPERATURE AT INVERTER CIRCUIT HEATSINK
OUTPUT OVERCURRENT
FAULTY INVERTER CIRCUIT HEATSINK TEMPERATURE SENSOR
CODE
00
U0
U2
U4
A1
A5
A6
C4
C9
EA
E5
E6
E7
E8
F3
F6
H6
H8
H9
J3
J6
L4
L5
P4
INDOOR UNIT
SYSTEM
OUTDOOR
UNIT
NOTE
1. A short beep and two consecutive beeps indicate non-corresponding codes.
2. To cancel the code display, hold the TIMER CANCEL button down for 5 seconds. The code display also
cancel itself if the button is not pressed for 1 minute.