Checking Input Voltage In Case Of Power On - LG Multi V5 Service Manual

CHECKING INPUT VOLTAGE IN CASE
OF POWER ON
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.
Figure 79: Checking Input Voltage.
Inverter
PCB
R S
220V
Terminal R S T
210
Inverter
PCB
T R S T
460V
Terminal
R S T
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Figure 80: Multi-Meter.
Red
Black
Table 90: Input Voltage Measurements.
Multi-Meter
Check Mode
Black Red
Input Voltage
(3-Phase/3-Wire AC
220V)
Input Voltage
(3-Phase /3-Wire AC
460V)
Measured Value
Normal Abnormal
R S
R T 220V±15%
S T
Normal
R S
R T 460V±15%
S T
Not