Error Code Display; How To Check Error Code; Error Code Check Table - Fujitsu AOYG36LATT Installation Manual

12. ERROR CODE DISPLAY

When an error occurs, "short-press" the ENTER switch once. The number of blinks of the
LED indicates the type of error.

12.1. How to check error code

12.1.1. Display when an error occurs
TEST PUMP
POWER
RUN DOWN
ERROR
MODE
(L1) (L2)
Blinks
(Hi-speed)
Check that the ERROR LED blinks, and then short-press the ENTER switch once.

12.2. Error code check table

POWER TEST
RUN
ERROR
MODE
(L1)
(2) (1)
(2) (1)
(2) (2)
(2) (5)
(2) (6)
(2) (6)
(2) (6)
(2) (6)
(2) (6)
(2) (6)
(2) (6)
(2) (6)
(2) (6)
(2) (7)
(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) (9)
(2) (10)
(2) (10)
(2) (10)
: Lights on
Display mode
: Lights off
: Blink (0.5s Lights on / 0.5s Lights off)
( ) : Number of flashing
En-16
LOW NOISE PEAK CUT
(L3) (L4) (L5) (L6) (L7)
PUMP
LOW NOISE
DOWN
(L2) (L3) (L4) (L5)
(1)
(1)
(2)
(15)
(1)
(1)
(2)
(2)
(3)
(4)
(4)
(5)
(8)
(1)
(2)
(3)
(3)
(4)
(7)
(7)
(4)
(6)
(6)
(4)
(5)
(5)
(7)
(8)
(9)
(1)
(3)
(5)
PEAK CUT
(L6) (L7)
Serial forward transmission error immediately after operation
Serial forward transmission error during operation
Indoor unit capacity error
Indoor unit error
Over voltage
Power supply frequency error
Outdoor unit PCB model information error
PFC communication error
Inverter error
PFC AD detection error
PFC hardware error
IPM error (Trip terminal L error)
Rush current limiting resister temp rise protection
Discharge temp. sensor error
Compressor temp. sensor error
Heat Ex. middle temp. sensor error
Outdoor unit Heat Ex. liquid temp. sensor error
Outdoor temp. sensor error
Heat sink temp. sensor error
PFC heat sink temp. sensor error
Current sensor 1 error (stoppage permanently)
High pressure switch 1 error
Pressure sensor error
Trip detection (stoppage permanently)
Compressor motor control error (stoppage permanently)
Compressor motor loss of synchronization (stoppage permanently)
Outdoor unit fan motor 1 error (Duty error)
Outdoor unit fan motor 2 error (Duty error)
4-way valve error
Discharge temp. 1 error (stoppage permanently)
Compressor 1 temp. error (stoppage permanently)
Low pressure error
Description