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Fault
Code
Name Possible Causes Solution Level
Err05
Overvoltage
during
acceleration
•
The input voltage is too
high.
•
The regeneration power
of the motor is too high.
•
The braking resistance is
too large, or the braking
unit fails.
•
The acceleration rate is
too short.
•
Adjust the input voltage.
Observe whether the bus
voltage is normal and whether
it rises too quickly during
running.
•
Check for the balance
coefcient.
•
Select a proper braking
resistor and check whether the
resistance is too large based
on the recommended braking
resistance table in chapter 3.
•
Check:
־ Whether the cable connecting
the braking resistor is
damaged
־ Whether the cooper wire
touches the ground
־ Whether the connection is
reliable
5A
Err06
Overvoltage
during
deceleration
•
The input voltage is too
high.
•
The braking resistance is
too large, or the braking
unit fails.
•
The deceleration rate is
too short.
5A
Err07
Overvoltage at
constant speed
•
The input voltage is too
high.
•
The braking resistance is
too large, or the braking
unit fails.
5A
Err09 Undervoltage
•
Instantaneous power
failure occurs on the
input power supply.
•
The input voltage is too
low.
•
The drive control board
fails.
•
Eliminate external power
supply faults and check
whether the power fails during
running.
•
Check whether the wiring of all
power input cables is secure.
•
Contact the agent or Monarch.
5A
Err10
Controller
overload
•
The brake circuit is
abnormal.
•
The load is too heavy.
•
The encoder feedback
signal is abnormal.
•
The motor parameters
are incorrect.
•
A fault occurs on the
motor power cables.
•
Check the brake circuit and
power input.
•
Reduce the load.
•
Check whether the encoder
feedback signal and setting are
correct, and whether the initial
angle of the encoder for the
PMSM is correct.
•
Check the motor parameter
setting and perform motor
auto-tuning.
•
Check the power cables of the
motor (refer to the solution of
Err02).
4A
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