Maintenance And Care; Drain Pipe; Notice Before Seasonal Use; Maintenance After Seasonal Use - Lennox LIAH024-200U432 Owner's Manual

Different running indicator flashing light means different system failure.
malfunction
Indoor Jumper cap failure
Indoor fan failure
Indoor tube temperature
sensor failure

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.
(4) In the event of rusting, use the anti-rust paint to stop spreading of rust.
7.4 Parts Replacement
Purchase parts from local appointed service center or dealer if necessary.
Running Indicator status
Light out 3S then flash
once
Light out 3S then flash
twice
Light out 3S then flash
four times
23
Air Handlers
Remark
Flash means light on
0.5S then light out 0.5S