Error Detection - Fujitsu ARTG36LHTB Service Manual

ER R OR D ETEC TION
If you use a wireless remote control, the lamps
on the indoor unit will show the error by blinking.
If you use a wired type remote control, error code
will appear on the remote control display.
See the lamp blinking patterns and error codes in
the table.
Troubleshooting
with an indoor unit display
OPERATION
TIMER
ECONOMY
Troubleshooting
with a wired remote control.
If an error occurs,
the following display will be shown.
("Er" will appear in the
set room temperature display.)
Error code
EX. Self-diagnosis
: 0.5s on / 0.5s off
: 0.1s on / 0.1s off
( ) : Number of flashing
2012.08.07
Indoor unit LED
OPERATION TIMER ECONOMY
(green) (orange) (green)
(1) (1)
(1) (2)
(5)
(1)
(2)
(1)
(2) (2)
(2) (3)
(2) (4)
green
orange
green
(2)
(7)
(3)
(2)
(3) (5)
(4) (1)
(4) (2)
(5)
(1)
(5)
(3)
(5) (7)
(5) (15)
(6)
(2)
(6) (3)
(6) (4)
(6) (5)
Wired
Description
remote
control
Serial communication error
Wired remote control
communication error
Check run unfinished
Unit number or Refrigerant circuit
address setting error
[Simultaneous Multi]
Indoor unit capacity error
Combination error
• Connection unit number
error (indoor slave unit)
[Simultaneous Multi]
• Connection unit number error
(indoor unit or branch unit)
[Flexible Multi]
Master unit, slave unit set-up
error [Simultaneous Multi]
Indoor unit PCB model
information error
Manual auto switch error
Inlet air temp. sensor error
Indoor unit Heat Ex. Middle
temp. sensor error
Indoor unit fan motor error
Drain pump error
Damper error
Indoor unit error
Outdoor unit main PCB model
information error or
communication error
Inverter error
Active filter error, PFC circuit error
Trip terminal L error
13
Indoor unit LED
Wired
remote
OPERATION TIMER ECONOMY
control
(green) (orange) (green)
(6) (10)
(7)
(1)
(7) (2)
(7) (3)
(7) (4)
(7)
(5)
(7) (6)
(7) (7)
(8) (2)
(8) (3)
(8) (4)
(8) (6)
(9) (4)
(9) (5)
(9) (7)
(9) (9)
(10) (1)
(10) (3)
(10) (4)
(10) (5)
(13) (2)
Description
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 error
4-way valve error
Discharge temp. error
Compressor temp. error
High pressure error
Low pressure error
Branch boxes error
[Flexible Multi]