Inovance MD500 Series - Faults and Diagnostics

11. Troubleshooting
- 303 -
11
Operating Panel Display Fault Name
EEPROM read-write fault
Cause Possible Solution
The EEPROM chip is damaged. Replace the main control board.
Operating Panel Display Fault Name
Short circuit to ground
Cause Possible Solution
Motor is short circuited to the ground. Replace cable or motor.
Operating Panel Display Fault Name
Accumulative running time reached
Cause Possible Solution
Accumulative running time reaches the
setting value.
Clear the record through parameter initialization.
Operating Panel Display Fault Name
User-dened fault 1
Cause Possible Solution
User-dened fault 1 is input via DI. Reset the operation.
User-dened fault 1 is input via virtual I/O. Reset the operation.
Operating Panel Display Fault Name
User-dened fault 2
Cause Possible Solution
User-dened fault 2 is input via DI. Reset the operation.
User-dened fault 2 is input via virtual I/O. Reset the operation.
Operating Panel Display Fault Name
Accumulative power-on time reached
Cause Possible Solution
Accumulative power-on time reaches the
setting value.
Clear the record through parameter initialization.
Operating Panel Display Fault Name
Load loss
Cause Possible Solution
The output current of AC drive is smaller
than F9-64 (load loss detection level).
Check whether load is disconnected or the setting of F9-64
and F9-65 (load lost detection time) satises actual running
condition.
Operating Panel Display Fault Name
PID feedback lost during running
Cause Possible Solution
PID feedback is smaller than the setting
value of FA-26 (detection level of PID
feedback loss).
Check PID feedback or set FA-26 properly.