Fujitsu AUYG18LVLB Design & Technical Manual page 304

9-2. Error code
If an error occurs, the LED will light up to display the error location and the error code.
¢ Error display mode
Display when an error occurs.
NOTE: Check that the "ERROR" LED blinks, then press the [ENTER] button once.
¢ Error code check 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)
●
(2)
Display mode : Lights on
: Lights off
: Blink (0.5s Lights on / 0.5s Lights off)
( ) : Number of ashing
9-2. Error code
PUMP
POWER
ERROR
DOWN
MODE (L1)
●
○
Blink
(Hi speed)
○ ●
Sign " ": Lights off, " ": Lights on
LED display
LOW NOISE PEAK CUT
(L1) (L2) (L3) (L4)
○ ○
(1) (1)
○
●
(1) (1)
○ ○
(2) (2)
○ ○
(5) (15)
○ ○
(6) (2)
○ ○
(6) (3)
○ ○
(6) (5)
○ ○
(7) (1)
○ ○
(7) (2)
○ ○
(7) (3)
○ ○
(7) (3)
○ ○
(7) (4)
○ ○
(7) (7)
○ ○
(8) (4)
○
●
(8) (6)
○ ○
(8) (6)
○ ○
(8) (6)
○ ○
(9) (4)
○ ○
(9) (5)
○ ○
(9) (7)
○ ○
(9) (8)
○ ○
(9) (9)
○ ○
(10) (1)
○ ○
(10) (3)
○ ○
(10) (5)
LOW
NOISE
(L2) (L3) (L4)
○ ○ ○
Description
(L5) (L6)
● ●
Serial communication error
○ ○
○
●
Indoor unit capacity error
○
●
Indoor unit error
○
●
Outdoor unit main PCB error
○
●
Inverter PCB error
● ●
P I M e r r r o
○
●
Discharge temp. sensor error
○
●
Compressor temp. sensor error
○
●
Outdoor unit Heat Ex. sensor error
● ●
○
●
Outdoor temp. sensor error
○
●
Heat sink temp. sensor error
○
●
Current sensor error
○ ○
○
●
Pressure sensor error
● ●
○
●
r T p i d e e t t c o i n
○
●
Compressor motor control error
● ●
Outdoor unit fan motor 1 error
● ●
Outdoor unit fan motor 2 error
○
●
4-way valve error
○
●
Discharge temp. 1 error
○
●
Compressor temp. error
○
●
Pressure error 2
- 296 -
PEAK
CUT
(L5) (L6)
○ ○
Remark
Serial forward transmission error immediately after
operation
Serial forward transmission error during operation
Indoor unit capacity error
Indoor unit error
Outdoor unit PCB model information error
Inverter error
r T p i t r e m n i l a L e r r r o
Discharge temp. sensor 1 error
Compressor temp. sensor 1 error
Heat Ex. middle temp. sensor error
Outdoor unit Heat Ex. liquid temp. sensor error
Outdoor temp. sensor error
Heat sink temp. sensor error
Current sensor 1 error (stoppage permanently)
High pressure switch 1 error
Outdoor unit discharge pressure sensor error
Outdoor unit suction pressure sensor error
r T p i d e e t t c o i n
Rotor position detection error (stoppage permanently)
Duty error
Duty error
4-way valve error
Discharge temp. 1 error
Compressor 1 temp. error
Low pressure error
9. Check and test