Error No. 10 - LG Multi V5 Service Manual

ERROR CODES

Error No. 10

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
Indoor unit BLDC
10 fan motor commu-
nications error.
Is the connection
installed properly?
Yes
Is fan motor
operating normally?*
Yes
Replace indoor unit PCB**
*The indoor unit fan motor hall sensor is operating normally when the values measured are as shown below.
1 4 5 6 7
Checking the Fan Motor Connections
** Replace the indoor unit PCB, perform the Auto Addressing procedure, and then input the
central control address.
WARNING
Check the fan motor connection to the PCB only when power is OFF. Electrical shock can cause physical injury or death.
142
Indoor BLDC fan motor feedback signal has
been absent for at least 50 seconds.
No
Connect properly.
No
Replace indoor unit fan motor.
Measure Each Terminal with the Tester
Tester
+ -
1 4
5
4
6 4
7 4
Due to our policy of continuous product innovation, some specifications may change without notification.
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Details
1. Fan motor connector has been disconnect-
2. Indoor fan motor lock has failed.
3. Indoor PCB error.
Normal Resistance (±10%)
Hundreds k k
Hundreds k
Images here are representative of system components. Actual compo-
nent appearance depends on model and system type.
Causes
ed, removed, or malfunctioned.