Lennox LM036CO-100P432

16
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
FDQ¶WUHFHLYH
remote
FRQWUROOHU¶V
signal or
remote
controller
has no
action.
Ɣ:KHWKHULWVLQWHUIHUHGVHYHUHO\
(such as static electricity,stable
voltage)?
Ɣ:KHWKHUUHPRWHFRQWUROOHULV
within the signal receiving
range?
Ɣ:KHWKHUWKHUHDUHREVWDFOHV"
Ɣ:KHWKHUUHPRWHFRQWUROOHULV
pointing at the receiving
window?
Ɣ,VVHQVLWLYLW\RIUHPRWHFRQWUR
OOHUORZIX]]\GLVSOD\DQGQR
display?
Ɣ1RGLVSOD\ZKHQRSHUDWLQJ
remote controller?
Ɣ)OXRUHVFHQWODPSLQURRP"
Ɣ3XOORXWWKHSOXJ5HLQVHUW
the plug after about 3min, and
then turn on the unit again.
Ɣ6LJQDOUHFHLYLQJUDQJHLVP
Ɣ5HPRYHREVWDFOHV
Ɣ
Select proper angle and point
the remote controller at the re-
ceiving window on indoor unit.
Ɣ&KHFNWKHEDWWHULHV,IWKH
power of batteries is too low,
please replace them.
Ɣ7DNHWKHUHPRWHFRQWUROOHU
close to indoor unit.
Ɣ7XUQRIIWKHÀXRUHVHQWODPS
and then try it again.
Ɣ&KHFNZKHWKHUUHPRWHFRQW
roller appears to be damaged.
If yes, replace it.
No air
emitted
from
indoor
unit
Ɣ$LULQOHWRUDLURXWOHWRILQGRRU
unit is blocked?
Ɣ(OLPLQDWHREVWDFOHV
Ɣ8QGHUKHDWLQJPRGHLQGRRU
temperature is reached to set
temperature?
Ɣ$IWHUUHDFKLQJWRVHWWHPSHU
ature, indoor unit will stop bl-
owing out air.
Ɣ+HDWLQJPRGHLVWXUQHGRQMXVW
now?
Ɣ,QRUGHUWRSUHYHQWEORZLQJ
out cold air, indoor unit will be
started after delaying for sev-
eral minutes, which is a nor-
mal phenomenon.