En-15
10. INDICATOR LAMP STATUS
Power indicator lamp (Green) Status contents
(Lit)
Lit when the power is turned on.
(Flashing)
There is a fault with the communication
board or the main board.
: 0.1s ON / 0.1s OFF
Controller PCB
Power indicator lamp (green)
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
Wired Remote
Controller Error
code
Error contents
OPERATION
lamp (green)
TIMER lamp
(orange)
FILTER
lamp (red)
(1) (2)
Remote controller
communication error
(1) (4)
Network communication
error
(1) (6)
Peripheral unit
communication error
(2) (6)
Indoor unit address
setting error
(2) (9)
Connection unit number
error in wired remote
controller system
(3) (1)
Indoor unit power supply
abnormal
(3) (2)
Indoor unit main PCB
error
(3) (9)
Indoor unit power supply
circuit error
(3) (10)
Indoor unit
communication circuit
(wired remote controller)
error
(4) (1)
Indoor unit room temp.
thermistor error
(4) (2)
Indoor unit heat ex. temp.
thermistor error
(5) (1)
Indoor unit fan motor 1
error
(5) (2)
Indoor unit coil
(expansion valve) error
(5) (3)
Indoor unit water drain
abnormal
(5) (9)
Indoor unit fan motor 2
error
Error indications
Wired Remote
Controller Error
code
Error contents
OPERATION
lamp (green)
TIMER lamp
(orange)
FILTER
lamp (red)
(9) (15)
Outdoor unit
miscellaneous error
(13) (1) RB unit error
Display mode
: 0.5s ON / 0.5s OFF
: 0.1s ON / 0.1s OFF
( ) : Number of fl ashing
Wired remote controller display
UTY-RNKU (3-wire type)
UTY-RNRU (2-wire type)
Error code
Error icon
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.
Touch the [Next Page] (or [previous page])
to switch to other indoor unit information.
For details on marking the ERROR CODES, please refer to the Manual of “IR Receiver Unit” or
“Wired Remote Controller”.
9365748237_IM.indb Sec1:159365748237_IM.indb Sec1:15 6/16/2015 4:24:47 PM6/16/2015 4:24:47 PM
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