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Troubleshooting
Troubleshooting
Fault diagnosis by remote controller
The remote controller can receive relevant error codes from the indoor unit.
1. When [ CANCEL ) is held down for about 5 seconds,"
temperature display section (with small beep).
2. Press [ CANCEL ) repeatedly until a long beep is produced.
• The code indication changes as shown below, and notifies with a long beep.
CODE
SYSTEM
INDOOR
UNIT
OUTDOOR
UNIT
NOTE
• When "00" is removed from remote and "00" is present at unit display, then it can be removed by
pressing temperature up and down button from remote.
• A short beep indicates non-corresponding codes.
• To cancel the code display, hold down (CANCEL) for about 5 seconds (for remote display)_
The code display also c ancels itself if the button is not pressed for 1 minute (F or unit and remote display)_
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
18
00
NORMAL
uo
REFRIGERANT SHORTAGE
U2
DROP VOLTAGE OR MAIN CIRCUIT OVERVOLTAGE
U4
FAILURE OF TRANSMISSION (BETWEEN INDOOR UNIT AND OUTDOOR UNIT)
A1
INDOOR PCB DEFECTIVENESS
A5
FREEZE-UP PROTECTOR
A6
FAN MOTOR FAULT
C4
FAULTY HEAT EXCHANGER TEMPERATURE SENSOR
C9
FAULTY SUCTION AIR TEMPERATURE SENSOR
E1
CIRCUIT BOARD FAULT
E5
OL STARTED
E7
DC FAN MOTOR FAULT
EB
OVERCURRENT INPUT
F3
HIGH TEMPERATURE DISCHARGE PIPE CONTROL
F6
HIGH PRESSURE CONTROL (IN COOLING)
HO
SENSOR FAULT
H6
OPERATION HALT DUE TO FAULTY POSITION DETECTION SENSOR
H9
FAULTY SUCTION AIR TEMPERATURE SENSOR
J3
FAULTY DISCHARGE PIPE TEMPERATURE SENSOR
J6
FAULTY HEAT EXCHANGER TEMPERATURE SENSOR
L4
HIGH TEMPERATURE AT INVERTER CIRCUIT HEATSINK
L5
OUTPUT OVERCURRENT
P4
FAULTY INVERTER CIRCUIT HEATSINK TEMPERATURE SENSOR
DD"
blinks in the
MEANING
m
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