Fujitsu AUYG18LVLB, Design & Technical Manual

Page: 304 / 343

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