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Advanced Control ADV 185 M420-M [17/72] Common faults and treating methods
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Trouble Shooting M420 General Flux Vector Control Inverter User Manual
4.2. Common Faults and Treating Methods
The inverter will possibly be confront with below faults, please refer to the mentioned
methods to have simple diagnosis and find the solutions.
Tab.4. Common faults and treating methods
serial
number
Fault Name
Possible Causes
Solutions
1
There is no
display at
power-on.
1: There is no power supply or the
power supply is too low.
2: The switching power supply on
the drive board is faulty.
3: The rectifier bridge is damaged.
4: The buffer resistor of the drive is
damaged.
5: The control board or the keypad
is faulty.
6: The cable between the control
board and the drive board or
keypad breaks.
1: Check the power
supply.
2: Check the bus voltage.
3: Re-connect the keypad
and 30-core cables.
4: Contact the agent for
technical support.
2
"Err20" is
displayed at
power-on
1: The motor or the motor output
cable is short-circuited to the
ground.
2: The AC driver is damage.
1: Measure the insulation
of the motor and the
output cable with a
megger.
2: Contact the agent for
technical support.
3
Err15
(module
overheat)
fault is
reported
frequently.
1: The setting of carrier frequency
is too high.
2: The cooling fan is damaged, or
the air filter is blocked.
3: Components inside the AC drive
are damaged (thermal coupler or
others).
1: Reduce the carrier
frequency (F0-26).
2: Replace the fan and
clean the air filter.
3: Contact the agent for
technical support.
4
The motor
does
not rotate
after the AC
drive runs.
1: Check the motor and the motor
cables.
2: The AC drive parameters are set
improperly (motor parameters).
3: The cable between the drive
board and the control board is in
poor contact.
4: The drive board is faulty.
1: Ensure the cable
between the AC drive
and the motor is normal.
2: Replace the motor or
clear mechanical faults.
3: Check and re-set motor
parameters.
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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