Error Codes - Fujitsu Airstage ASUB18TLAV1 Installation Manual

11. ERROR CODES

If you use a wired type remote controller, error codes will appear on the remote controller
display. If you use a wireless remote controller, the lamp on the photodetector unit will
output error codes by way of blinking patterns. See the lamp blinking patterns and error
codes in the table below.
Error indications
OPERATION TIMER lamp FILTER lamp
lamp (green) (orange) (red)
(1) (2)
(1) (4)
(1) (6)
(2) (6)
(2) (9)
(3) (1)
(5) (1)
(3) (10)
(4) (1)
(4) (2)
(5) (1)
(5) (2)
(5) (3)
(9) (15)
(10) (8)
(13) (1)
Display mode : 0.5s ON / 0.5s OFF
: 0.1s ON / 0.1s OFF
( ) : Number of fl ashing
Wired Remote
Controller Error Error contents
code
Remote controller
communication error
Network communication
error
Peripheral unit
communication error
Indoor unit address
setting error
Connection unit number
error in wired remote
controller system
Indoor unit power supply
abnormal
Indoor unit main PCB
error
Indoor unit
communication circuit
(wired remote controller)
error
Indoor unit room temp.
thermistor error
Indoor unit heat ex.
temp. thermistor error
Indoor unit fan motor 1
error
Indoor unit coil
(expansion valve) error
Indoor unit water drain
abnormal
Outdoor unit
miscellaneous error
Poor refrigerant circula-
tion
RB unit error
Wired remote controller display
UTY-RNKU (3-wire type)
UTY-RNRUZ* (2-wire type)
Error icon
Status
Fri 10:00AM
Mode Set Temp. Fan
Air Flow Direction
VT
Individual
Economy
Off
Unoccupied
Status Menu Monitor
Touch the [Status]. Touch the [Error Information].
2-digit numbers are corresponding to
the error code in the preceding table.
For more information, refer to the installation manual of the remote controller.
Error code
Touch the [Next Page] (or [previous page])
to switch to other indoor unit information.
Page 1/ 4
HZ
1 3
Anti Freeze
Off
Next Error
Page Information
En-16