HV580L Series Frequency Inverter
176
4) The maintenance fee is charged according to HNC Electric's uniform standard. If there is an agreement, the
agreement prevails.
7.3 Faults and Solutions
The HV580L provides a total of 24 pieces of fault information and protective functions. After a fault occurs, the
AC drive implements the protection function, and displays the fault code on the operation panel (if the
operation panel is available).
Before contacting HNC Electric for technical support, you can first determine the fault type, analyze the
causes, and perform troubleshooting according to the following tables. If the fault cannot be rectified, contact
the agent or HNC Electric.
Err22 is the AC drive hardware overcurrent or overvoltage signal. In most situations, hardware overvoltage
fault causes Err22.
Table 7-1: Solutions to the faults of the HV580L
Fault Name
Display
Possible Causes
Solutions