Installation Manual
EDUS721438
72
BRC1E73
3P243521-7L
English
17
Ɣ
If operation is not possible due to a malfunction, refer to following
Failure diagnosis method
.
After the test operation fi nishes, check whether the
Ɣ
error code history is displayed on the
maintenance information screen of the main menu according to the following procedure.
NOTE
7-12
Press
Menu/OK
button in the basic
screen. Main menu screen is dis-
played.
Select
7-13
Maintenance Information
in the
main menu, and press
Menu/OK
button.
Maintenance information screen is
7-14
displayed. Check whether the error
code history is displayed on the
screen.
If no error code history is displayed
∗
following this procedure the system
has normally completed the test
operation mode.
If the error code history is displayed,
7-15
conduct the failure diagnosis referring
to <Error code list> in the installation
manual of the indoor unit.
After the failure diagnosis fi nishes,
press and hold
On/Off
button for
4 seconds or longer in the mainte-
nance information screen to erase the
error code history.
Failure diagnosis method
Whenever the remote controller display
Ɣ
is blank or displays [
Checking the
connection. Please stand by.
],
troubleshoot the system with the items
in the Description column of the
following table.
If an error occurs,
Ɣ
CODE
is displayed
on the LCD as shown to the right.
Conduct the failure analysis referring to
<Error code list> in the installation
manual of the indoor unit.
When the unit No. which detected the
error during group control is confi rmed,
refer to
Chapter 8: Procedure
for Checking Error History
.
<Basic screen>
12
7-
Cool
Return
Clean the filter
Set to
68
F
Press
Menu/OK
button.
<Main menu screen>
13
7-
Setting
Main Menu
Filter Auto Clean
Maintenance Information
Configuration
Current Setting
Clock & Calendar
Daylight Saving Timer
2/3
Press
Menu/OK
button.
14
7-
15
7-
Error Code:U5
Indoor Model
–––/000
Outdoor Model –––/000
Contact Info
0123–456–7890
Press and hold
On/Off
button for 4 seconds or
longer during backlight lit.
Set temperature
28
°C
Cool
Test Operat. CODE : U5
01_EN_3P243521-7L.indd 17
11/27/2014 11:21:45 AM