Daikin FUQ71CVEB Installation Manual page 36

2. With the wireless remote controller. (Also refer to the operation manual attached to the wireless remote
controller)
When the operation stops due to trouble, the display on the indoor unit flashes. In such a case, diagnose
the fault contents with the table on the Malfunction code list looking for the Malfunction code which can be
found by following procedures. (NOTE 2)
(1) Press the INSPECTION /TEST OPERATION button, "
(2) Press the PROGRAMMING TIME button and find the unit No. which stopped due to trouble.
Number of beeps 3 short beeps............ Perform all the following operations
(3) Press the OPERATION MODE SELECTOR button and upper figure of the Malfunction code flashes.
(4) Continue pressing the PROGRAMMING TIME button unit it makes 2 short beeps and find the upper
code.
(5) Press the OPERATION MODE SELECTOR button and lower figure of the Malfunction code flashes.
(6) Continue pressing the PROGRAMMING TIME button unit it makes a long beep and find the lower
code.
• A long beep indicate the malfunction code.
NOTE
1. When the INSPECTION/OPERATION button on the remote controller is pressed, the "
starts flashing.
2. When the ON/OFF button is kept pressed for 5 seconds or longer during the inspection mode, the above
trouble history indication disappears. In this case, after the malfunction code indication flashes twice, the
indication of code becomes "00" (normal) and unit NO. becomes "0". Then, the display automatically
changes from the inspection mode to the normal mode.
11-2 MALFUNCTION CODE
• Depending on the type of indoor or outdoor unit, the malfunction code may or may not be displayed.
• For places where the Malfunction code is left blank, the "
tem continues operating, be sure to inspect the system and make repairs as necessary.
Malfunction
code
A1 Indoor Printed Circuit Board failure
A3 Drain level abnormal
Indoor fan motor overload, over current,
lock
A6
Indoor Printed Circuit Board connection
failure
Fan motor Printed Circuit Board power
A8
supply abnormal
AF
Humidifier system malfunction
AJ Capacity setting failure
Transmission error between indoor
C1 Printed Circuit Board (Master) and
indoor Printed Circuit Board (Slave)
Indoor heat exchanger liquid pipe
C4
temperature sensor malfunction
Indoor heat exchanger condenser /
C5
evaporator temperature sensor
malfunction
35
1 short beep ............. Perform (3) and (6)
1 long beep............... No trouble
Descriptions and measures
" is displayed and " 0 " flashes.
" indication is not displayed. Though the sys-
Remarks
Capacity setting adapter or capacity data
error, or disconnection of the capacity setting
adapter, failure to connect the adapter, or the
capacity is not set to the data-retention IC.
Abnormal stop is applied depending on the
model or condition.
Abnormal stop is applied depending on the
model or condition.
" indication
English