14 Maintenance
Installer and user reference guide
19
BRBRBRC1HHDAK
Human Comfort Interface
4P534402-1 – 2018.06
2
Connect the user interface to the PC.
a
b
c
d
X2A
X2A
a
PC with Updater
b
USB cable
c
User interface PCB
d
To indoor unit
3
Power ON the indoor unit.
4
Open Updater.
5
In Updater, go to "Update procedure".
6
Type in the model name of the user interface.
7
Select the desired update procedure.
8
Follow the on-screen instructions.
14
Maintenance
14.1
Maintenance safety precautions
WARNING
Before carrying out any maintenance or repair activities,
stop system operation with the user interface, and turn off
the power supply circuit breaker.
Possible consequence:
electric shock or injury.
NOTICE
To clean the user interface, do NOT use organic solvents,
such as paint thinner.
Possible consequence:
damage,
electric shock, or fire.
WARNING
Do not wash the user interface.
Possible consequence:
electric leakage, electric shock, or fire.
INFORMATION
When the dirt on the surface cannot be removed easily
while cleaning the user interface, soak the cloth in neutral
detergent diluted with water, squeeze the cloth tightly, and
clean the surface. Afterwards, wipe dry with a dry cloth.
14.2
To clean the user interface
1
Wipe the screen and other surface parts of the user interface
with a dry cloth.
15
Troubleshooting
15.1
Error codes of the indoor unit
When the indoor unit is in error, the user interface displays
on the
home screen. Simultaneously, the main user interface displays an
error code. Check the main user interface to see the error code. For
a list of error codes and what they mean, see the documentation of
the indoor unit.
Solve the cause of the error.
Содержание BRC1HHDAK
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