Daikin FRWKL50UV163A, Operation Manual

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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,"
DD"
blinks in the
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 MEANING
00 NORMAL
uo
REFRIGERANT SHORTAGE
SYSTEM
DROP VOLTAGE OR MAIN CIRCUIT OVERVOLTAGE U2
m
U4
FAILURE OF TRANSMISSION (BETWEEN INDOOR UNIT AND OUTDOOR UNIT)
A1 INDOOR PCB DEFECTIVENESS
A5 FREEZE-UP PROTECTOR
INDOOR
A6 FAN MOTOR FAULT
UNIT
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)
OUTDOOR HO SENSOR FAULT
UNIT
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
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 (For unit and remote display)_
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DAIKIN INDUSTRIES, LTD.
Head office:
Osaka Umeda Twin Towers South
1-13-1 , Umeda , Kita-ku , Osaka , 530-0001 , Japan
Tokyo o ff ice:
Y aesu Central Tower , Tokyo Midtown Y aesu ,
2-2-1 , Y aesu , Chuo-ku , Tokyo , 104-0028 , Japan
http://www.daikin.com