Lennox LI036HI-180P432, Owner'S Manual

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Malfunction analysis
General phenomenon analysis
Please check below items before asking for maintenance. If the malfunction still
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Phenomenon Check items Solution
Indoor unit
can’t receive
remote
controller’s
signal or
remote
controller
has no
action.
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(such as static electricity, stable
voltage)?
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within the signal receiving
range?
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pointing at the receiving
window?
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OOHUORZIX]]\GLVSOD\DQGQR
display?
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remote controller?
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the plug after about 3min, and
then turn on the unit again.
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Ɣ Select proper angle and point
the remote controller at the re-
ceiving window on indoor unit.
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power of batteries is too low,
please replace them.
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close to indoor unit.
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and then try it again.
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roller appears to be damaged.
If yes, replace it.
No air
emitted
from
indoor
unit
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unit is blocked?
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temperature is reached to set
temperature?
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ature, indoor unit will stop bl-
owing out air.
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now?
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out cold air, indoor unit will be
started after delaying for sev-
eral minutes, which is a nor-
mal phenomenon.