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M420 General Flux Vector Control Inverter User Manual Trouble Shooting
11
4. Trouble Shooting
4.1. Fault Warnings and Solutions
If faults happened on the running process, the inverter will stop to output immediately to
protect the motor, and the corresponding fault relay of the inverter has contact action at the same
time so the panel will display the fault code. The fault types and regular solutions that
corresponding to the fault code are listed below in the table. Details in below form is only for
reference, so please don’t fix or change it by yourself. If you can’t clear out the fault please contact
us or the local agent for technical support.
Tab.3. Fault warning and solutions
Display
Fault Name
Possible Causes
Solutions
Err01
Inverter unit
protection
1: The output circuit is grounded
or short circuited.
2: The module overheats.
3: The internal connections
become loose.
4: The main control board is
faulty, drive board or module is
faulty.
1: Eliminate external faults.
2: Check the air filter and
the cooling fan.
3: Connect all cables
properly.
4: Contact the agent or the
manufacturer for help.
Err04
Over current
during
acceleration
1: The output circuit is grounded
or short circuited.
2: Motor parameter is not right.
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 AC drive model is of too
small.
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 AC drive of
higher power class.
Содержание
- Fig inverters of 18 kw follow 2
- Inverter braking unit part of the matching function if there is demand when ordering 2
- Note this figure for adv 1 0 m420 m adv 18 m420 m 1 18 kw series 2
- Please specify 2
- Typical wiring 2
- Attention this figure is just for m420 series of inverter 22 75kw brake unit is the selective part plese declare it in order request if it s needed 3
- Fig inverters of 22 75kw 3
- Fig three phase inverter above 90kw 4
- Connect to the braking resistor for the ac drive of 7 kw and below 220 v and18 kw and below other voltage classes 5
- Connect to the single phase 220 vac power supply 5
- Connect to the three phase ac power supply 5
- Connecting terminals of braking resistor 5
- Connecting terminals of braking resistor connect to a braking resistor 5
- Grounding terminal grounding terminal must be grounded 5
- Main circuit terminals and wiring 5
- Main circuit terminals of three phase 5
- Output terminals connect to a three phase motor 5
- Positive and negative terminals of dc bus common dc bus input point 5
- Single phase power supply input terminals 5
- Three phase power supply input terminals 5
- Wiring precautions 5
- Control circuit terminals and wiring 6
- Operation and display 8
- Operation and display interface introduction 8
- Description of function led indicator 9
- Led display 9
- Keyboard instruction 10
- Organization way of the inverter function code 10
- Enter key 11
- Fig parameter setting operation flowchart 11
- Fig three level menu operation flow chart 11
- For example make function code f1 04 change from 0 0hz to 5 0hz 11
- Function code parameter of m420 inverter adopts three level menu it can view and monitor the parameter by operation panel the three level menu includes function parameter set level 1 menu function code level 2 menu function code setup value level 3 menu refer to fig 2 for the operation procedure in the state parameter interface it can check the different status parameter by the key 11
- In the status of the 11
- Instruction of function code viewing and modification methods 11
- Level menu but it will save the present parameter data and move to the next function code if press enter while it will give up the present parameter revising if press prg 11
- Menu the value can t be modified if the parameter doesn t have the flashing digit you can check the function code property description for the specific reasons 11
- Shift enter 11
- Tips when operating with the three level menu you can press prg or enter to return to 11
- Trouble shooting m420 general flux vector control inverter user manual 11
- Fault warnings and solutions 12
- Trouble shooting 12
- Common faults and treating methods 17
- Function code table 19
- F1 06 startup dc braking current pre excited current 0 25
- F1 07 startup dc braking time pre excited time 0 25
- F1 08 acceleration deceleration mode 0 linear 25
- S curve 0 25
- Fault type 67
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