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Customer Guidance; Error Codes - Fujitsu 9319357041 Installation Manual

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15. CUSTOMER GUIDANCE

Explain the following to the customer in accordance with the operating manual:
(1) Starting and stopping method, operation switching, temperature adjustment, timer, air
fl ow switching, and other remote control unit operations.
(2) Air fi lter removal and cleaning, and how to use the air louvers.
(3) Give the operating manual to the customer.

16. ERROR CODES

If you use a wireless remote controller, the lamp on the photo detector unit will output er-
ror codes by way of blinking patterns. If you use a wired remote controller, error codes will
appear on the remote controller display. See the lamp blinking patterns and error codes in
the table. An error display is displayed only during operation.
Error display
OPERATION
TIMER
ECONOMY
lamp
lamp
lamp
(green)
(orange)
(green)
(1)
(1)
(1)
(2)
(1)
(5)
(2)
(1)
(2)
(2)
(2)
(3)
(2)
(4)
(2)
(7)
(3)
(2)
(3)
(5)
(4)
(1)
(4)
(2)
(5)
(1)
(5)
(3)
(5)
(7)
(5)
(8)
(5)
(15)
(6)
(2)
(6)
(3)
(6)
(4)
(6)
(5)
(6)
(10)
(7)
(1)
(7)
(2)
(7)
(3)
(7)
(4)
(7)
(5)
Wired
remote
Description
controller
Error code
Serial communication error
Wired remote controller
communication error
Check run unfinished
Unit number or Refrigerant circuit
address setting error [Simultane-
ous Multi]
Indoor unit capacity error
Combination error
• Connection unit number error
(indoor slave unit) [Simultane-
ous 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
Room temp. sensor error
Indoor unit Heat Ex. Middle temp.
sensor error
Indoor unit fan motor error
Drain pump error
Damper error
Intake grille error
Indoor unit error
Outdoor unit main PCB model
information error or
communication error
Inverter error
Active filter error, PFC circuit er-
ror
Trip terminal L 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
(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)
Display mode
: 0.5s ON / 0.5s OFF
: 0.1s ON / 0.1s OFF
( ) : Number of flashing
[Troubleshooting with the indoor unit display]
OPERATION indicator lamp (green)
TIMER indicator lamp (orange)
ECONOMY indicator lamp (green)
[Troubleshooting with the wired remote controller display (Option)]
If an error occurs, the following display will be shown. ("Er" will appear in the set room
temperature display.)
Error code
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
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]
En-13

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