Paper tube testing machine troubleshooting 1 failure situation, such as the power switch is turned on, the power switch light is not lit. Possible causes are: 1 The power is not input, 2 Check the outlet power. Solution: 1 Ask the electrician to check the repair power supply line, 2 Check if the plug is plugged in. 2 In the case of a fault, such as pressing the up and down keys, there is no induction from the machine. The possible cause is that 1 motor is burned and 2 keys are damaged. Solution: 1 Replace the motor 2 and replace the button. 3 failure situation: if the speed can not be adjusted. The possible cause is that 1 motor speed control board is damaged. 2 potentiometer damage. Solution: 1 Replace the speed control board, 2 Replace the speed control board. Â Â Â Â Dongguan Haida Instrument specializes in the production of carton compression machines , paper tube testing machines, ring pressure testing machines, bursting strength testing machines , drop machines, vibration test stands, etc. For more information, please contact 400-071-1808/0769- 89280808
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