1. If the solar solenoid valve is damaged, the water will not be available;
2. If the solar solenoid valve is damaged, the temperature controller will not display or display inaccurate water temperature and water level;
3. If the solar solenoid valve is damaged, it will not be able to heat the water under the control of the temperature controller.
1. No water can enter
(1) The electromagnetic water inlet valve itself is damaged, it is very likely that the rubber diaphragm of the sealing water is aging and deformed, and it cannot play the role of sealing water. The solution is to replace the solenoid valve.
(2) It may also be the damage of the compression spring. During maintenance, repair or replace the solenoid valve according to the specific situation.
2. The water ingress is not stopped
(1) The circuit is not connected. When checking, use a multimeter or test pen to check whether the solenoid valve terminal has voltage, whether the relevant circuit is open, and whether the solder joint is connected. Find out the exact point of failure, prescribe the right medicine, and connect the line.
(2) If there is current flowing through the terminal of the solenoid valve, but no water can enter, it is possible that the solenoid valve coil is malfunctioning. Generally, it is enough to replace a solenoid valve of the same specification.
Spool does not work fault:
The burnout of the DC solenoid valve coil generally means that the valve core does not move, and the housing of the solenoid valve coil will not have a certain temperature like normal operation. If it is detected by a multimeter, it is open circuit.
Cause of failure: DC solenoid valve's operating voltage is unstable or overloaded (the actual environmental conditions are not within the operating range of the solenoid valve)
Troubleshooting method: repair the welding burnt place, if the burnout is serious and cannot be repaired, you need to directly replace the new coil.
Spool stuck fault:
The jam of the spool of the DC solenoid valve will show that the solenoid valve does not open and close. If the DC solenoid valve is stuck in the open position, the balance will be restored quickly after stopping; if it is stuck in the closed position, the low pressure is negative.
The cause of the failure: there is a foreign body in the DC solenoid valve or the internal parts of the solenoid valve are damaged
Troubleshooting method: stop and remove the debris in the spool. You can also disassemble the DC solenoid valve, check whether there is a fault, and reassemble the parts.
Lax closure:
Stop the operation of the DC solenoid valve and touch the valve body of the DC solenoid valve with your hand. If the temperature of the valve body is not high and there is airflow in the valve, it means that the DC solenoid valve is not closed tightly.
Cause of failure: Possible causes include dirt in the DC battery valve, damage to the valve seat or valve needle, and too little spring force.
Troubleshooting method: The corresponding operations are to clean the valve internals, grind the valve seat and valve needle, adjust or replace the spring.
Blockage:
The DC solenoid valve cannot work normally. If it is a refrigerator solenoid valve, the surface of the solenoid valve will have low temperature or even frost.
The cause of the failure: There is debris inside the DC solenoid valve.
Troubleshooting: Disassemble the DC solenoid valve and remove internal debris.
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