LG LAN121CNM Service Manual - Page 56

The phenomena in case of connecting error

Get LG LAN121CNM PDF manuals and user guides View all LG LAN121CNM manuals
Add to My Manuals
Save this manual to your list of manuals

Page 56 highlights

Troubleshooting Guide The phenomena in case of connecting error INDOOR UNIT Connector Type Condition Phenomena CN-DC/DC Open and connecting error • The same as the phenomenon of Outdoor Unit. Blue Black Brown Red CN-MOTOR CN-UP/DOWN CN-DISP CN-TH Open Open Short between terminals Open Open Short between terminals ( and ) CN-TH2. Short between terminals ( and ) CN-TH1. • The indoor fan does not operate. • The operation indicator of Indoor unit blinks 8 times. • The up/down vane does not operate. • The up/down vane does not smoothly operate. • It does not operate with a remote controller. • The operation indicator blinks once. On for 0.5 second Off for 3 seconds • The compressor and the outdoor fan stop. • The indoor fan speed is low. • The operation indicator blinks once (on for 0.5 second, off for 3 seconds). • The compressor operates continuously regardless of the setting temperature and the variation of room temperature. • The operation indicator blinks once (on for 0.5 second, off for 3 seconds) • Continuous operation 56 Room Air Conditioner

  • 1
  • 2
  • 3
  • 4
  • 5
  • 6
  • 7
  • 8
  • 9
  • 10
  • 11
  • 12
  • 13
  • 14
  • 15
  • 16
  • 17
  • 18
  • 19
  • 20
  • 21
  • 22
  • 23
  • 24
  • 25
  • 26
  • 27
  • 28
  • 29
  • 30
  • 31
  • 32
  • 33
  • 34
  • 35
  • 36
  • 37
  • 38
  • 39
  • 40
  • 41
  • 42
  • 43
  • 44
  • 45
  • 46
  • 47
  • 48
  • 49
  • 50
  • 51
  • 52
  • 53
  • 54
  • 55
  • 56
  • 57
  • 58
  • 59
  • 60
  • 61
  • 62
  • 63
  • 64
  • 65
  • 66
  • 67
  • 68
  • 69
  • 70
  • 71
56
Room Air Conditioner
Troubleshooting Guide
The phenomena in case of connecting error
INDOOR UNIT
Connector Type
Condition
Open and connecting error
Open
Open
Open
Open
Short between terminals
(
and
) CN-TH2.
Short between terminals
(
and
) CN-TH1.
Short between terminals
•
The same as the phenomenon of Outdoor Unit.
•
The up/down vane does not operate.
•
The up/down vane does not smoothly operate.
•
It does not operate with a remote controller.
•
The operation indicator blinks once
(on for 0.5 second, off for 3 seconds).
•
The compressor operates continuously regardless
of the setting temperature and the variation of room
temperature.
•
The operation indicator blinks once
(on for 0.5 second, off for 3 seconds)
•
Continuous operation
•
The operation indicator blinks once.
•
The compressor and the outdoor fan stop.
•
The indoor fan speed is low.
•
The indoor fan does not operate.
•
The operation indicator of Indoor unit blinks 8 times.
CN-DC/DC
CN-MOTOR
CN-UP/DOWN
CN-DISP
CN-TH
Blue
Black
Brown
Red
Phenomena
On for 0.5 second
Off for 3 seconds