Advanced Control C220 Series - Common Fault and Resolution

Fault Diagnosis and Countermeasures
C220/C420General Flux Vector Control lnverter User Manual
165
If the host computer is working
Check the host computer
cable connection
N
ERR27
Communications fault
If the RS485 communication
cable connection is normal
Check the cable for
communications
N
If the baud rate setting is correct
Set the baud rate correctly
N
If the communication parameters
F8-03 and F8-04 are set correctly
N
Ask for technical
support
Modify the communication
parameters
Fig.7-20 Communication fault (Err27)
7.2 Common Fault and Resolution
During the inverter using process, the following faults may occur. Please conduct
simple fault
analysis by referring to the methods below:
1、No display or upon power-on
1）Check the input power supply.