Outdoor Unit Display - Fujitsu Comfort Series Service Manual

1-2 OUTDOOR UNIT DISPLAY

You can determine the operating status by the lighting up and blinking of the LED lamp.
LED display part
Check that the "ERROR" LED blinks, then press the [Enter] button once.
For details, refer to the following table.
PUMP DOWN
POWER/
ERROR
MODE
(2)
(2)
(2)
(2)
(2)
(2)
(2)
(2)
(2)
(2)
(2)
(2)
(2)
(2)
(2)
(2)
(2)
(2)
(2)
(2)
(2)
(2)
(2)
(2)
: Light OFF :
LED display
LOW NOISE
(1)
(1)
(1)
(1)
(3)
(2)
(2)
(6)
(3)
(6)
(5)
(6)
(5)
(6)
(1)
(7)
(2)
(7)
(3)
(7)
(3)
(7)
(4)
(7)
(7)
(7)
(8)
(7)
(4)
(8)
(6)
(8)
(6)
(8)
(4)
(9)
(5)
(9)
(7)
(9)
(1)
(10)
(3)
(10)
(5)
(10)
(12)
(10)
Display when an error occurs.
POWER/
ERROR
MODE
Blink
●
(Hi speed)
○
Sign " ": Lights off, "
(1) Check that the "ERROR" LED blinks, then press the "ENTER" button once.
(2) For details, refer to the following table.
: Light ON 1 ~ 12 : 1~ 12 Times Blinking
PEAK CUT
Serial communication error
Combination error
Outdoor unit main PCB error
Inverter PCB error
IPM error
Discharge thermistor error
Compressor thermistor error
Outdoor unit heat exchanger thermistor error
Outdoor thermistor error
Heatsink thermistor error
Electric expansion valve thermistor error
Current sensor error
Pressure sensor error 1
Pressure sensor error 2
Trip detection
Compressor motor control error
Outdoor unit fan motor error
Discharge temperature error
Compressor temperature error
Pressure error
Heatsink temperature error
03-02
PUMP LOW
DOWN NOISE
(L1) (L2) (L3) (L4)
○ ○ ○ ○
●
": Lights on
Error contents
PEAK
CUT
(L5) (L6)
○ ○
TROUBLE-
SHOOTING
2
3
6
7
8
9
10
11
12
13
14
15
16-1
16-2
17
18
19
20
21
22
23