LG CH60

Critical

Multi V5 — Outdoor unit inverter PCB EEPROM error (Master: 601, Slave 1: 602, Slave 2: 603).

LG CH60: Outdoor unit inverter PCB EEPROM error (Master: 601, Slave 1: 602, Slave 2: 603). This fault typically halts operation and needs immediate attention.

Possible causes

EEPROM contact is defective or improperly inserted, or a different/incompatible EEPROM version is installed
Outdoor unit inverter PCB assembly is damaged

Check steps

Verify EEPROM insertion direction and connection, and confirm the checksum
Correct EEPROM installation direction if needed; replace the inverter PCB assembly if defective

Affected parts

EEPROM chip
Inverter PCB assembly

Safety note

Replace EEPROM only after the power is turned off. There is a risk of electric shock that could cause physical injury or death.

Source: LG resmi servis kilavuzu (bagimsiz cift-dogrulandi) — LG Multi V5 Service Manual (ManualsLib doc #1483751, page 171), "Error No. 60": "Outdoor unit inverter PCB Master: 601 / Slave 1: 602 / Slave 2: 603 error." Meaning: EEPROM-related error on the outdoor unit inverter PCB (defective/incorrect EEPROM contact, wrong EEPROM version, or damaged inverter PCB assembly). Sa…

Reviewed by Anıl Güzeldemir — in the refrigeration machine room since 2006, developer of Enthalio.

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