Warning, Alarm Diagnosis And Counter Measures
V800 Series High Performance Closed-Loop Vector Inverter User Manual
W phase output is
disconnected or the
parameters are
seriously
unbalanced
1. The lead from frequency inverter to motor
is disconnected.
2. The driving or control panel of the
frequency inverter is faulty.
3. The three-phase winding of the motor is
faulty.
1. Eliminate peripheral failures.
2. Seek for manufacturer’s support.
3. Eliminate the failure of motor.
The motor temperature exceeds the setting
scope
1. Reduce motor load.
2. Improve operating environment.
3. Modify protective threshold.
U phase current is
detected faulty
(sensor or circuit)
1. The current sensor or circuit is damaged.
2. The auxiliary power supply is faulty.
3. The control and driving panel are bad
connected.
Seek for manufacturer’s support.
V phase current is
detected faulty
(sensor or circuit)
1. The current sensor or circuit is damaged.
2. The auxiliary power supply is faulty
3. The control and driving panel are bad
connected.
Seek for manufacturer’s support.
The temperature
sensor 1 is faulty
(can be shielded)
The temperature detecting circuit is
abnormal.
Seek for manufacturer’s support.
The temperature
sensor 2 is faulty
(can be shielded)
The temperature detecting circuit is
abnormal.
Seek for manufacturer’s support.
The temperature
sensor 3 is faulty
(can be shielded)
The temperature detecting circuit is
abnormal.
Seek for manufacturer’s support.
The connection of
accessories is
abnormal
1. The extended components are not
inserted well.
2. The extended components are damaged.
1. Reinstall the extended
components.
2. Replace the extended
components.
Conflicting
parameter setting
Please contact the direct supplier.
Seek for manufacturer’s support.