Error Code; Error Display Mode; Error Code Check Table - Fujitsu 30RLXEH Installation Manual

12. ERROR CODE

You can determine the operating status by the lighting up and blinking of the LED lamp.
LED display part

12.2. Error code check table

PUMP
POWER/
DOWN
ERROR
MODE
(L1)
●
(2) (1)
●
(2) (1)
●
(2) (2)
●
(2) (5)
●
(2) (6)
●
(2) (6)
●
(2) (6)
●
(2) (7)
●
(2) (7)
●
(2) (7)
●
(2) (7)
●
(2) (7)
●
(2) (7)
●
(2) (8)
●
(2) (8)
●
(2) (8)
●
(2) (9)
●
(2) (9)
●
(2) (9)
●
(2) (9)
●
(2) (9)
●
(2) (10)
●
(2) (10)
●
(2) (10)
Display mode : Lights on
: Lights off
: Blink (0.5s Lights on / 0.5s Lights off)
( ) : Number of flashing
En-16
LED display
LOW NOISE PEAK CUT
(L2) (L3) (L4) (L5)
○ ○
●
(1)
○ ○
●
(1)
○ ○ ○
(2)
○ ○ ○
(15)
○ ○ ○
(2)
○ ○ ○
(3)
○ ○
●
(5)
○ ○ ○
(1)
○ ○ ○
(2)
○ ○
●
(3)
○ ○
●
(3)
○ ○ ○
(4)
○ ○ ○
(7)
○ ○ ○
(4)
○ ○
●
(6)
○
● ●
(6)
○ ○ ○
(4)
○ ○ ○
(5)
○ ○
●
(7)
○ ○
●
(8)
○ ○ ○
(9)
○ ○ ○
(1)
○ ○ ○
(3)
○ ○ ○
(5)

12.1. Error display mode

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.
DESCRIPTION
(L6)
●
Serial communication error
○
●
Indoor unit capacity error
●
Indoor unit error
●
Outdoor unit main PCB error
●
Inverter PCB error
●
IPM error
●
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
○
●
Trip detection
●
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
PUMP LOW
DOWN NOISE
(L1) (L2) (L3) (L4)
○ ○ ○ ○
": Lights on
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
Trip terminal L error
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
Pressure sensor error
Trip detection
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
PEAK
CUT
(L5) (L6)
○ ○