Error Nos. 41 And 47 - LG Multi V5 Service Manual
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Also See for Multi V5:
- Data manual (162 pages) ,
- Manual book (133 pages) ,
- Engineering manual (105 pages)
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ERROR CODES
Error Nos. 41 and 47
Please refer to the Safety Precautions on pages 4-7 for more detail to prevent injury or death regarding the operation and service
WARNING
troubleshooting of the Multi V product.
Error No.
Description
41 (Inverter
Compressor1)
Master: 411
Slave 1: 412
Outdoor unit
Slave 2: 413
inverter compres-
sor discharge
47 (Inverter
pipe temperature
Compressor2)
sensor error.
Master: 471
Slave 1: 472
Slave 2: 473
Labels for Outdoor Unit
Sensors:
• Outdoor Temperature Sensor:
TH1
• Pipe Temperature Sensor:
TH2
• Discharge Pipe (D-pipe)
Temperature Sensor: TH3
160
Details
Disconnection or short circuit of outdoor unit
compressor discharge temperature sensor.
Error occurs within three (3) minutes of oper-
ation.
Error also occurs after three (3) minutes of
compressor operation when discharge tem-
perature sensor is removed (before compres-
sor operation).
Is the sensor installed
or connected to the PCB
correctly?
Yes
Is the resistance of
the sensor normal?*
Yes
Are the sensor resistance
and the temperature values (in
LGMV) the same?
Yes
Replace corresponding sensor.
Due to our policy of continuous product innovation, some specifications may change without notification.
©LG Electronics U.S.A., Inc., Englewood Cliffs, NJ. All rights reserved. "LG" is a registered trademark of LG Corp.
1. Error can also occur if the system is operat-
ing in cooling at extremely low temperatures
with no low ambient kit.
2. Compressor discharge pipe temperature
sensor (TH3) is not installed or connected
properly.
3. Defective compressor discharge pipe sen-
sor (TH3) (opened or shorted).
4. Defective outdoor unit PCB.
No
Insert sensor connector to PCB correctly.
No
Replace sensor.
No
Replace corresponding outdoor unit PCB.
• Standard values of sensor resistance at different temperatures (5%
variation): 50°
•
Check the resistance
of the Inverter compressor
discharge temperature
sensor.
Causes
°
°
Images here are representative
of system components. Actual
component appearance depends
on model and system type.
°F
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Troubleshooting
