Chapter 8 Troubleshooting and Countermeasures
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Chapter 8 Troubleshooting and
Countermeasures
8.1 Fault Alarm and Countermeasures
MD300 inverter has 20 pieces of warning information and protection function. In case of
abnormal fault, the protection function will be invoked, the inverter will stop output, and the faulty
relay contact of the inverter will start, and the fault code will be displayed on the display panel of
the inverter. Before consulting the service department, the user can perform self-check
according to the prompts of this chapter, analyze the fault cause and find out t solution. If the
fault is caused by the reasons as described in the dotted frame, please consult the agents of
inverter or our company directly.
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Inverter Unit Protection
Check if the inverter output
loop is short circuited
Perform
Troubleshooting
If the cable connecting the motor
with the inverter is too long
Install a Reactor or Output Filter
If the module is over heat
Check if the air duct is blocked and
if the fan is in normal status, and
resolve the existing problems.
Check if the cable connections
inside the inverter are loosen
Insert all the connecting
cables properly
If it works normally after replacing
the main control board
The main control
board is faulty
If it works normally after
replacing the drive board
The drive board
is faulty
If it works normally after
replacing the inverter
The inverter is
damaged
Ask for technical
support
No
No
No
No
Fig.8-1 Inverter unit protection ˄ERR01˅
efesotomasyon.com
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