High Voltage Series | Installer Manual21
Fault Indication
When the corresponding fault type occurs, the red background indicator on the screen will light up. The
description of each is shown below.
OV Over Voltage
UV Under Voltage
OT Over Temperature
UT Under Temperature
ISO Insulation failure, there is a risk of current leakage
OC Over Current
OF Other Faults
DV Dierent Voltage
DT Dierent Temperature
System Maintenance
Click the icon on screen to enter the maintenance system password conrmation interface.
Enter the password and press the Conrm key to enter the main interface of system maintenance. The oper-
ation shall be performed by a professional.
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