If one indoor unit operate heating mode while
several indoor units are operating cooling
mode, outdoor segment and cooling segment
are blinking like display on the left.
=> It means operation of cooling mode in
outdoor unit.
1
If one indoor unit operate cooling or
dehumidification mode while several indoor
units are operating heating mode, outdoor
segment and cooling segment are blinking.
=> It means operation of heating mode in
outdoor unit.
2
If pressing button, indoor unit
automatically runs at the mode that different
indoor units are running after about 5
seconds and operates.
3
TEMP
FAN
SPEED
OPER
MODE
Different mode drive is a phenomenon taking place when indoor units' drive mode is different in the
case that a few indoor units are set up at one AHU.
(Different mode drive doesn't show up at cooling exclusive model.)
• If the product is not compatible with the different mode operation, LCD will be displayed
‘CH07’.
• If ‘CH07’ is displayed, please change the mode.
• Different mode operation is not error.
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