Air Handlers
There are LED indicators on the main board of the indoor unit, which are used to
display the operating status and malfunction information of the unit.
Power Indicator Red
Indoor unit main board is powered on,
Running Indicator Green
After detecting the indoor fan turn-on
signal, the running indicator light is on,
when detecting the indoor fan turning-off
signal, the running indicator light is off.
When detecting a system failure, the
running indicator light flashes.
Different running indicator flashing light means different system failure.
Indoor Jumper cap failure
Light out 3S then flash
once
Flash means light on
0.5S then light out 0.5S
Light out 3S then flash
twice
sensor failure
four times
7 Maintenance and Care
Regular check, maintenance and care should be performed by professional
personnel, which will prolong the unit life span.
7.1 Drain Pipe
Regularly check if the drain pipe is clogged in order to drain condensate smoothly.
7.2 Notice before Seasonal Use
(1) Check if the inlet/outlet of the indoor unit is clogged.
(2) Check if the ground wire is earthed reliably.
(3) Check if the filter screen has been set soundly.
(4) Check if the unit is installed firmly. If there is something abnormal, please contact
the local appointed service center.
7.3 Maintenance after Seasonal Use
(1) Cut off main power supply of the unit.
(2) Clean filter screen of indoor units.
(3) Clean the dust of sundries on the indoor units.
To Next Page
General
