Warning, Alarm Diagnosis And Counter Measures
V800 Series High Performance Closed-Loop Vector Inverter User Manual
Solutions other than shielding
The parameters of U phase of
motor is abnormal
The parameters of V phase of
motor is abnormal
The parameters of W phase of
motor is abnormal
Inspect whether the winding of motor is faulty
Over temperature of motor
Select special motor for frequency conversion for
long-term low speed operation
The driving circuit is abnormal
and unbalanced
The communication of
MODBUS bus is interrupted
The temperature sensor 1 is
faulty
The temperature sensor 2 is
faulty
The temperature sensor 3 is
faulty
1. Increase the action point for over temperature
warning
2. Replace the temperature sensor 1,2,3
The parameters can not be
recovered in batch during
operation
The numerical value when
energized can not be
recovered during operation
The connection between
expanded communication
module and master control
board is interrupted
abnormally
The function expansion unit 1
has a hardware conflict
1. The expansion unit selected is inappropriate
and can not be used with such type of
frequency inverter
2. The function expansion unit has a internal fault
The function expansion unit 2
has a hardware conflict
1. The expansion unit selected is inappropriate
and can not be used with such type of
frequency inverter
2. The function expansion unit has a internal fault
The function expansion unit
has a resource conflict
This expansion unit can not be used with other
expansion units
Fail to establish
communications with function
expansion unit 1
Fail to establish
communications with function
expansion unit 2
The communication links of
function expansion unit 1 is
interrupted abnormally