7.8 Circuit troubleshooting
The ideal working state of the circuit is: stable and reliable. The following is a general method for troubleshooting the electrical circuit through the drive key diagram of the circuit.
1. Personal signal failure
(1) Misoperation according to operation regulations;
(2) Failure of the detection switch Replace the detection switch;
(3) Poor contact of the operation switch, maintenance operation switch;
(4) The detection switch position is incorrect. Reinstall the detection switch.
2. Control circuit failure
(1) Control circuit components are damaged and replaced;
(2) Re-install the control circuit board with too much vibration, and configure the buffer device;
(3) Poor anti-interference. Add anti-interference circuits.
3. Drive circuit
(1) Poor contactor repair or replace the contactor;
(2) Poor ventilation of the electrical box causes damage to electrical components in advance and improves the ventilation conditions;
(3) The out-of-control drive circuit and the control circuit have coordination problems, and the circuit is repaired.
4. Actuator
(1) The actuator is stuck, causing circuit damage to check the working state of the actuator (2) The actuator position is incorrect and reinstalled.
5. Feedback element
(1) The feedback signal is not adjusted and readjusted within the controllable range;
(2) The feedback element does not work and replace the anti-lock element;
(3) The speed measuring motor is not installed correctly and reinstalled.
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