En-15
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 com-
munication error
(1)
(4)
Network communica-
tion error
(1)
(6)
Peripheral unit com-
munication error
(2)
(6)
Indoor unit address
setting error
(2)
(9)
Connection unit
number error in wired
remote controller
system
(3)
(1)
Indoor unit power sup-
ply abnormal
(5)
(1)
Indoor unit main PCB
error
(3)
(10)
Indoor unit commu-
nication circuit (wired
remote controller) error
(4)
(1)
Indoor unit room temp.
thermistor error
(4)
(2)
Indoor unit heat ex.
temp. thermistor error
(4)
(4)
Human sensor error
(5)
(1)
Indoor unit fan motor
1 error
(5)
(2)
Indoor unit coil (expan-
sion valve) error
(5)
(3)
Indoor unit water drain
abnormal
(9)
(15)
Outdoor unit miscel-
laneous error
(10)
(8)
Poor refrigerant circula-
tion
(13)
(1)
RB unit error
Display mode
: 0.5 s ON / 0.5 s OFF
: 0.1 s ON / 0.1 s OFF
( ) : Number of flashing
Wired Remote Controller Display
UTY-RNRUZ* (2-wire type)
Status
Air Flow Direction
VT
Off
1
3
Off
HZ
Economy
Individual
Anti Freeze
Page 1/ 4
Monitor
Next
Page
Error
Information
Set Temp.
Mode
Menu
Status
Fan
Fri 10:00AM
Unoccupied
Error icon
Touch the [Status].
Touch the [Error Information].
2-digit numbers are corresponding to
the error code in the preceding table.
Touch the [Next Page] (or [previous page])
to switch to other indoor unit information.
For more information, refer to the installation manual of the remote controller.
9373370420-02_IM.indb 15
9373370420-02_IM.indb 15
2017/12/20 9:49:01
2017/12/20 9:49:01
