Error Detection - Fujitsu AOTG45LBTA Service Manual

E RROR D ETEC TION
INDOOR UNIT
If you use a wired type remote control,
error codes will appear on the remote control display.
If you use a wireless remote control,
the lamps on the IR receiver unit will output error codes
by way of blinking patterns.
See the lamp blinking patterns and error codes in the
table below.
An error display is displayed only during operation.
For more details, refer to the installation manual of the
remote control.
2015.08.20
Error display
Wired
remote
TIMER ECONOMY
OPERATION
control
lamp lamp
lamp (green)
Error code
(orange) (green)
 
(1) (1)
 
(1) (2)
 
(1) (5)
 
(1) (6)
 
(1) (8)
 
(2) (1)
 
(2) (2)
 
(2) (3)
 
(2) (4)
 
(2) (6)
 
(2) (7)
 
(2) (9)
 
(3) (1)
 
(3) (2)
 
(3) (3)
 
(3) (5)
 
(3) (9)
 
(3) (10)
 
(4) (1)
 
(4) (2)
 
(4) (4)
 
(5) (1)
 
(5) (3)
 
(5) (7)
 
(5) (15)
 
(6) (1)
 
(6) (2)
 
(6) (3)
 
(6) (4)
 
(6) (5)
8
Error display
TIMER
Description
OPERATION
lamp
lamp (green)
(orange)
Serial communication error  
(6) (8)
Wired remote control  
(6) (10)
communication error
Check run
 
(7) (1)
Automatic adjustment error
Peripheral unit transmission PCB  
(7) (2)
connection error
External communication error  
(7) (3)
Unit number or Refrigerant circuit  
(7) (4)
address setting error
[Simultaneous Multi]
 
(7) (5)
Indoor unit capacity error
 
(7) (6)
Combination error
 
(7) (7)
• Connection unit number
error (indoor secondary unit)
[Simultaneous Multi]
 
(8) (2)
• Connection unit number error
(indoor unit or branch unit)
[Flexible Multi]
 
(8) (3)
Indoor unit address setting error
 
(8) (4)
Primary unit, secondary unit setup
error [Simultaneous Multi]
 
Connection unit number error in (8) (6)
wired remote controller system
Power supply interruption error
 
(9) (4)
Indoor unit PCB model
 
(9) (5)
information error
Indoor unit motor electricity
 
(9) (7)
consumption detection error
Manual auto switch error
 
(9) (8)
Indoor unit power supply error for  
(9) (9)
fan motor
Indoor unit communication circuit
 
(9) (10)
(wired remote controller) error
Room temp. sensor error
 
(10) (1)
Indoor unit heat ex. middle temp.
 
(10) (3)
sensor error
Human sensor error
 
(10) (4)
Indoor unit fan motor error  
(10) (5)
Drain pump error
 
(13) (2)

Damper error
Display mode : 0.5s ON / 0.5s OFF
: 0.1s ON / 0.1s OFF
Indoor unit error
)
Outdoor unit reverse/missing
phase and wiring error
Outdoor unit main PCB
model information error or
communication error
Inverter error
Active error, PFC circuit error
Trip terminal L error
Wired
remote
ECONOMY
Description
control
lamp
Error code
(green)
Outdoor unit rush current limiting
resister temp. rise error
Display PCB microcomputers
communication error
Discharge temp. sensor error
Compressor temp. sensor error
Outdoor unit Heat Ex. liquid temp.
sensor error
Outdoor temp. sensor error
Suction Gas temp. sensor error
• 2-way valve temp. sensor error
• 3-way valve temp. sensor error
Heat sink temp. sensor error
• Sub-cool Heat Ex. gas inlet
temp. sensor error
• Sub-cool Heat Ex. gas outlet
temp. sensor error
Liquid pipe temp. sensor error
Current sensor error
• Discharge pressure sensor error
• Suction pressure sensor error
• High pressure switch error
Trip detection
Compressor rotor position
detection error (permanent stop)
Outdoor unit fan motor 1 error
Outdoor unit fan motor 2 error
4-way valve error
Coil (expansion valve) error
Discharge temp. error
Compressor temp. error
High pressure error
Low pressure error
Branch boxes error
[Flexible Multi]
( of : Number