Fujitsu AUUH18LUAS - E: 11.↓. Serial Communication Error (Serial Reverse Transfer Error) (Outdoor Unit); E: 11.↓. Serial Communication Error (Serial Forward Transfer Error) (Indoor Unit)

1-4. Error code table (Outdoor unit)
The operation status is determined by the lighting up and blinking of the LED lamp.
After check that ERROR LED lamp blinks, press the ENTER button once.
NOTE: For the positions of LED lamp and buttons, refer to "Function settings (for 24-36 outdoor
units)" in Chapter 5. FIELD →ORKING on page 05-10.
Error contents
POWER/
MODE
ERROR
PUMP
DOWN
LOW NOISE PEAK CUT
L1 L2 L3 L4 L5 L6
E: 11.↓. Serial communication error
(Serial forward transfer error) (Indoor
unit)
(Occurs immediately after starting
operation)
■
2
● ■
1
■
1
○ ○ ● ●
E: 11.↓. Serial communication error
(Serial forward transfer error) (Indoor
unit)
(Occurs during operation)
■
2
● ■
1
■
1
○ ● ○ ○
E: 12.↓. →ired remote controller
communication error (Indoor unit)
■
2
● ■
5
■
15
○ ○ ○ ●
E: 15.↓. Automatic air flow adjustment
error (Indoor unit)
■
2
● ■
5
■
15
○ ○ ○ ●
E: 18.↓. External communication error
(Indoor unit)
■
2
● ■
5
■
15
○ ○ ○ ●
E: 23.↓. Combination error (Outdoor
unit)
■
2
● ■
5
■
15
○ ○ ○ ●
E: 26.↓. Address setting error in wired
remote controller (Indoor unit)
■
2
● ■
5
■
15
○ ○ ○ ●
E: 29.↓. Connected unit number error
(Indoor unit)
■
2
● ■
5
■
15
○ ○ ○ ●
E: 32.↓. Indoor unit main PCB error
(Indoor unit)
■
2
● ■
5
■
15
○ ○ ○ ●
E: 33.↓. Indoor unit motor electricity
consumption detection error (Indoor
unit)
■
2
● ■
5
■
15
○ ○ ○ ●
E: 39.↓. Indoor unit power supply error
for fan motor (Indoor unit)
■
2
● ■
5
■
15
○ ○ ○ ●
E: 3A.↓. Indoor unit communication
circuit (wired remote controller) error
■
2
● ■
5
■
15
○ ○ ○ ●
E: 41.↓. Room temperature sensor
error (Indoor unit)
■
2
● ■
5
■
15
○ ○ ○ ●
E: 42.↓. Indoor unit heat exchanger
sensor error (Indoor unit)
■
2
● ■
5
■
15
○ ○ ○ ●
E: 51.↓. Indoor unit fan motor error
(Indoor unit)
■
2
● ■
5
■
15
○ ○ ○ ●
E: 53.↓. Drain pump error (Indoor unit)
■
2
● ■
5
■
15
○ ○ ○ ●
E: 62.↓. Outdoor unit main PCB error
(Outdoor unit)
■
2
● ■
6
■
2
○ ○ ○ ●
E: 63.↓. Inverter error (Outdoor unit)
■
2
● ■
6
■
3
○ ○ ○ ●
E: 65.↓. Trip terminal L error (Outdoor
unit)
■
2
● ■
6
■
5
○ ○ ● ●
E: 71.↓. Discharge thermistor error
(Outdoor unit)
■
2
● ■
7
■
1
○ ○ ○ ●
E: 72.↓. Compressor thermistor error
(Outdoor unit)
■
2
● ■
7
■
2
○ ○ ○ ●
E: 73.↓. Heat exchanger (Middle/Outlet)
temperature thermistor error (Outdoor
unit)
■
2
● ■
7
■
3
○ ○ ● ○
1-4. Error code table (Outdoor unit) - (03-3) - 1. Error code
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