Error Nos. 201C, 202C, 203C - LG Multi V5 Service Manual

ERROR CODES

Error Nos. 201C, 202C, 203C

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
Heat recovery unit
liquid piping tem-
Heat Recovery Unit perature sensor
error.
Heat recovery unit
subcooling inlet
Heat Recovery Unit piping tempera-
ture sensor error.
Heat recovery
unit subcooling
discharge piping
Heat Recovery Unit
temperature
sensor error.
1. Check the connections of the temperature sensor and the lead cable.
2.
3. If the sensor connection and values are correct, replace the outdoor unit PCB.
HR HR
Heat Recovery
Unit
No. 1 No. 2
Error
C01 C02
Displayed
Example of Heat Recovery R unit Error
•
• C = Heat Recovery Unit
•
202
Abnormal sensor value (sensor has
disconnected or has shorted out).
HR HR HR HR
No. 3 No. 4 No. 5 No. 6
C03 C04 C05 C06
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Details
1. Defective temperature sensor connection.
2. Defective temperature sensor (sensor has
3. Defective outdoor unit PCB.
HR HR HR HR
No. 7 No. 8 No. 9 No. 10
C07 C08 C09 C10
Causes
disconnected or has shorted out).
HR HR HR HR
No. 11 No. 12 No. 13 No. 14
C11 C12 C13 C14
HR HR
No. 15 No. 16
C15 C16