Error Nos. 32 And 33 - 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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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
32
Excessive in-
crease in outdoor
unit inverter
Master: 321
compressor1
Slave 1: 322
gas discharge
temperature.
Slave 2: 323
33
Excessive in-
crease in outdoor
unit inverter
Master: 331
compressor2
Slave 1: 332
gas discharge
temperature.
Slave 2: 333
Is the amount of
refrigerant approrpriate
for the system?
Yes
Is the discharge temperature
sensor resistance correct*
Yes
Is the outdoor unit EEV
functioning normally while
system is in heating mode?
See the Troubleshooting
Main Compoenents section.
Yes
Is the piping
(strainer, etc.) clogged?
Yes
Replace strainer, etc.
Details
System / compressor shut off because of a
high discharge temperature at the outdoor unit
inverter compressor1.
System / compressor shut off because of a
high discharge temperature at the outdoor unit
inverter compressor2.
No
Is there a refrigerant leak
or damaged piping?
Fix the leak and / or damaged
piping and recharge the
refrigerant.
No
Replace the discharge
temperature sensor.
* Resistance value of discharge temperature sensor
50°
No
Replace the outdoor unit
Check other system components
No
and operation conditions.
Fix if errors are found.
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. System shutdown happens when discharge
pipe temperature rises >115°C (239°F)
for 10 seconds, or compressor dome
temperature equals 105°C (221°F) for 10
seconds.
2. Defective inverter compressor discharge
piping temperature sensor.
3. Refrigerant is leaking or there is under-
charge.
4. Defective EEV.
5. Defective liquid spray valve.
No
Yes
°F
°
EEV.
ERROR CODES
Error Nos. 32 and 33
Causes
Add or subtract the amount
of refrigerant.
°
155
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Table of Contents
Troubleshooting
