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Air Conditioner
LAN091CNP, LAU091CNP, LAN121CNP, LAU121CNP, LAN091HNP, LAU091HNP, LAN121HNP, LAU121HNP, LA090CPI, LA090CPO,...
Service manual
Display Function; Self-Diagnosis Function - LG LAN091CNP, LAU091CNP, LAN121CNP Service Manual
Lg room air conditioner service manual
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:
Service manual
(76 pages)
,
Manual
(76 pages)
,
Owner's manual
(31 pages)
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Contents
Table of Contents
Troubleshooting
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Display Function
Signal Receptor
Receives the signals from the remote control.(Signal receiving sound: two short beeps or one long beep.)
Operation Indication Lamps
On/Off
Self-diagnosis Function
Error
Code
(Indoor body operation LED)
(once)
1
3sec
(twice)
2
5
: Lights up during the system operation.
Error LED
3sec
3sec
3sec
3sec
(5times)
3sec
Error contents
• Indoor room temperature
thermistor open/short
• Indoor pipe temperature
thermistor open/short.
• Outdoor pipe temperature
thermistor open/short.
• Poor communication.
Operation
SVC check point
• Indoor TH assy check
• Outdoor TH assy check
• Communication line/circuit
check
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This manual is also suitable for:
La091cnp
La091hnp
La121cnp
La121hnp
Asnc091f2g0
Asuc091fug0
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Asnc121f2g0
Lau121cnp
Asuc121fug0
Lan091hnp
Asnh091f2g0
Lau091hnp
Asuh091fug0
Lan121hnp
Asnh121f2g0
Lau121hnp
Asuh121fug0
La090cpi
La090cpo
La120cpi
La120cpo
La090hpi
La090hpo
La120hpi
La120hpo
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