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Self-diagnosis for Trouble Mode
FAN
SPEED
TEMP
Outage Compensation Function
If power supply fails due to outage or other reasons, the outage compensation function automatically
retrieves the operating conditions previously programmed before the power failure. Thus, you don't
need to press any buttons.
(Additional functions will not be retrieved automatically.)
It automatically runs a self-diagnosis when there is a trou-
ble detected in the system.
It displays the trouble mode number with maintenance
CODE.
<Individual control>
<Group control>
h When detecting an error during group control, the system will
display as below.
<In case of CH05 error, these two characters CH and 05 are
alternatively displayed.>
OPER
MODE
In order to expedite a service, please remember the error
number and provide it when consulting an installer.
Owner's instruction
°F
Owner's & Installation Manual 17
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