Why does the hot runner heater not work?
The reason why the hot runner heater does not generate heat.
1.The heater is destroyed.
2.No strong current output.
3.The contactor is burned out.
4. The contactor has no control power supply.
5. The wire is broken.
Solution
1. Turn off the power first, remove the wire of the hot runner heater, use a multimeter to check if it is burned out, and replace it immediately if it burns out.
2. Check the strong electricity used by the hot runner heater and check with a multimeter. The general problem is that the heating switch is tripped or burned out, and the trip is turned off and then pushed up again. If it breaks, turn off the power and replace it to solve the problem.
3. First, check the contactor's control power supply with or without electricity. If there is electricity or action, it is the contactor problem. Check if the contact is loose. After loosening and turning off the power, tighten the connector with a screwdriver. The fifth problem of the connector is that the contactor is broken. , Replace it. Pay attention to mark each line to prevent it from being unclear later.
4. The control power supply has no power. Generally, there is no output power on the computer 10 board.
a.The fuse is burned out, just replace the fuse.
b. If the output point is burned out, it can be solved by using a spare output or repairing 10 boards.
5. Use a multimeter to check the circuit section by section, and replace or reconnect it after finding the broken section.
