Error No. 193 - LG Multi V5 Service Manual

ERROR CODES

Error No. 193

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
193
Excessive in-
crease in outdoor
Master: 1931
unit fan PCB heat
Slave 1: 1932
sink temperature.
Slave 2: 1933
Has the system been
installed correctly?
Is the fan PCB IPM
connected correctly?
Is the outdoor
unit fan motor operating
normally?
Is the fan PCB assembly
correct?
Recheck power and installation.
Check fan connection installation.
198
System has shut off because outdoor unit fan
PCB heat sink temperature is >194°F.
No
Yes
No
Yes
No
Yes
No
Yes
Images here are representative of system components. Actual component appearance
depends on model and system type.
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.
Details
1. Fan PCB IPM connection is not correct.
2. Outdoor unit fan motor is not operating
3. Outdoor unit fan PCB assembly is
4. Overload operation (piping is clogged, fan
1. Check if any pipes are clogged or damaged.
2. Check if the outdoor or indoor unit fans are blocked.
3. Check EEV assembly; if it is connected or is operating
normally.
4. Check refrigerant pressure.
5. Check power wiring connections. Reconnect or rewire if
problems are found.
Check fan PCB connection. Reconnect or rewire if errors
are found.
Check the outdoor unit fan motor operation, or if
the fan has locked up. Fix if errors are found.
Replace fan PCB assembly.
Causes
correctly.
defective.
is blocked, EEV is defective, overcharge in
refrigerant).