Heatpump unit : LED Indicator Lights Display
Cooling mode
(Green)
Heat / Fan mode
(Red/ Green)
Dry mode
(Orange)
Sleep mode
(Red)
The heat pump units is equipped with an “auto” mode, whereby the unit will provide reasonable room
temperature by switching the unit automatically to either “cool” mode or “heat” mode, according to the
temperature setting set by the user.
LED Indicator Lights: Normal Operation And Faulty Indication Table
87
Cool
Dry
Fan
Heat
Sleep
Operation/ Faulty Indicator Action
○ ○ / ●
Cooling mode -
○
Dry mode -
○
Fan mode -
○ ○ / ●
Heat mode -
◑
○ ○ / ●
Auto mode in heating operation -
○
◑
○ / ●
Auto mode in cooling operation -
◑
Defrost operation -
◑
Compressor overload protection Call your dealer
Indoor coil sensor contact loose/
short
Call your dealer
◑
◑
Outdoor coil sensor contact
loose/short
Call your dealer
◑
Room air sensor contact loose/short Call your dealer
◑ ◑
If the system is auto or sleep mode, switch to heat or cool
mode and turn off the sleep function, turn off the power
supply to reset the system, wait for 3 minutes and on the
system again.
◑ ◑
If the system is in cool or heat mode (with the sleep
function
off), the sensor may have contact problem, compressor
overload protection trip or gas leak.
○
ON
○ / ●
ON or OFF
◑
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