Error No. 87 - LG Multi V5 Service Manual

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
87
Outdoor unit fan
Master: 871 PCB EEPROM
error.
Slave 1: 872
Slave 2: 873
Is the EEPROM inserted
Is the fan PCB assembly
Recheck power and installation.
Check IC02L
Direction of inserting the Inverter EEPROM.
Error occurs when checking the EEPROM
check sum when at initial operating after power
is supplied.
No
correctly?
Yes
No
correct?
Yes
Both the socket opening and the EEPROM
opening must be in the same direction.
Due to our policy of continuous product innovation, some specifications may change without notification.
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Details
1. EEPROM has a bad connection or was
2. Version of EEPROM is different.
3. Outdoor unit fan PCB assembly may have
1. Check EEPROM connection.
2. Check EEPROM check sum.
Replace fan PCB assembly.
Replace EEPROM only after the power is turned
off. There is a risk of electric shock that could
cause physical injury or death.
Images here are representative of system compo-
nents. Actual component appearance depends on
model and system type.
ERROR CODES

Error No. 87

Causes
inserted incorrectly.
been damaged after power was turned
on.
WARNING
181