Table of Contents
Advertisement
Troubleshooting
Troubleshooting
Fault diagnosis by remote controller
The remote controller can receive a corresponding error code from the indoor unit.
1. When [cANcEL] is held down for 5 seconds, a" DD "indication blinks on the
temperature display section.
2. Press [CANCEL] repeatedly until a continuous beep is produced.
• The code indication changes as shown below, and notifies with a long beep.
CODE
SYSTEM
INDOOR
UNIT
OUTDOOR UNIT
NOTE
• A short beep indicates non-corresponding codes.
• To cancel the code display, hold down (cANcaJ for 5 seconds.
The code display also cancels itself if the button is not pressed for 1 minute.
18
00
NORMAL
UA
INDOOR-OUTDOOR UNIT COMBINATION FAULT
uo
REFRIGERANT SHORTAGE
U2
DROP VOLTAGE OR
U4
FAILURE OF TRANSMISSION (BETWEEN INDOOR UNIT A ND OUTDOOR UNIT}
A 1
INDOOR PCB DEFECTIVENESS
A 5
FREEZE-UP PROTECTOR
A 6
FAN MOTOR FAULT
C4
FAULTY HEAT EXCHANGER TEMPERATURE SENSOR
C9
FAULTY SUCTION A IR TEMPERATURE SENSOR
EA
COOLING-HEATING SWITCHING ERROR
E1
CIRCUIT BOARD FAULT
E5
OL STA RTED
E6
FAULTY COMPRESSOR START UP
E7
DC FA N MOTOR FAULT
OVERCURRENT INPUT
EB
F3
HIGH TEMPERATURE DISCHARGE PIPE CONTROL
F6
HIGH PRESSURE CONTROL (IN COOLING)
SENSOR FAULT
HO
H6
OPERATION HA LT DUE TO FAULTY POSITION DETECTION SENSOR
H8
DC CURRENT SENSOR FAULT
FAULTY SUCTION A IR TEMPERATURE SENSOR
H9
FAULTY DISCHARGE PIPE TEMPERATURE SENSOR
J3
J6
FAULTY HEAT EXCHANGER TEMPERATURE SENSOR
L3
ELECTRICA L PARTS HEAT FAULT
L4
HIGH TEMPERATURE AT INVERTER CIRCUIT HEATSINK
L5
OUTPUT OVERCURRENT
FAULTY INVERTER CIRCUIT HEATSINKTEMPERATURE SENSOR
P4
MEANING
MAIN
CIRCUIT OVERVOLTAGE
DAIKIN INDUSTRIES, LTD.
Head office:
Osaka Umeda Twin Towers South
1-13-1, Umeda, Kita-ku, Osaka 530-0001, Japan
Tokyo office:
Yaesu Central Tower, Tokyo Midtown Yaesu,
2-2-1, Yaesu, Chuo-ku, Tokyo, 104-0028, Japan
http://www.daikin.com
D
Advertisement
Table of Contents
