Troubleshooting
Electrical Control 113
2. Troubleshooting
2.1 Display board
2.1.1 Icon explanation on indoor display board(High Static Pressure Duct)
OPERATION
TIMER
DEF./FAN
ALARM
Temporary button
Operation lamp
Timer indicator
Infrared signal receiver
Alarm indicator
PRE-DEF indicator(cooling and heating type)
or fan only indicator(cooling only type)
MANUAL
Display digital tube
2.1.2 Icon explanation on indoor display board(The 3
rd
Ceiling & Floor)
2.1.3 Icon explanation on indoor display board (Big cassette).
2.1.4 Display board of
auto-liftingpanelof4waycassette
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