V 810 Chapter 5 Checking and removing errors
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Chapter 5 Checking and removing errors
5.1 Displaying and removing errors
The V 810 has a total of 24 warning and protective functions. Once a fault occurs, the
protection function, the stop of the inverter output, the fault code of the inverter is
displayed on the panel display. The user can analyse the cause of the problem himself,
find a solution. If the failure is marked with a dotted frame, find a service or your supplier
or contact our company directly.
In most cases, an OUOC alarm is caused by a hardware overvoltage.
1: The output circuit is
grounded or short circuited.
2: The connecting cable of the
motor is too long.
3: The module overheats.
4: The internal connections
become loose.
5: The main control board is
faulty.
6: The drive board is faulty.
7: The inverter module is
faulty
1: Eliminate external faults.
2: Install an output filter.
3: Check the air filter and
the cooling fan.
4: Connect all cables
properly.
5,6,7: Find technical
support
Overcurrent
during
acceleration
1: The output circuit is
grounded or short circuited. 2:
Motor auto-tuning is not
Performed.
3: The acceleration time is too
Short.
4: Manual torque boost or V/F
curve is not appropriate.
5: The voltage is too low.
6: The startup operation is
performed on the rotating
motor.
7: A sudden load is added
during acceleration.
8: The inverter model has a
too low power class.
1: Eliminate external faults.
2: Perform the motor auto-
tuning.
3: Increase the acceleration
time.
4: Adjust the manual
torque boost or V/F curve.
5: Adjust the voltage to
normal range.
6: Select rotational speed
tracking restart or start the
motor after it stops.
7: Remove the added load.
8: Select an inverter of
higher power class.
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