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How to solve a failure in an electric valve (Blue Rain)

How to solve a failure in an electric crane (Blue Rain)It is possible that an electric valve (Blue Rain valve) shows a fault, or that other problems occur. In that case it is important that you act as quickly as possible and solve the problem, so that as few watering as possible are cancelled. In this article, our specialist lists the most common failures of the electrical valve and the associated solutions.

Note: Make sure that the steering system is always switched off when the electrical tap is removed. This way you prevent unwanted outflows of liquid.

Interference Possible cause
Solution
Electric valve does not open
Control device is defective
Contact the supplier of the control unit
Coil is not ratified
Restoring cable breakage or poor connection
Coil is energized, but suction core is not attracted
• Suction core is stuck in coil. Release coil and clean coil and suction core
• Coil is defective, replace

Coil is energized, and suction core is attracted
Channels in valve are clogged, cleaning
Valves do not close Control device is defective
Contact the supplier of the control unit
Filter in filter housing is clogged
Cleaning the filter
Suction core does not come back from coil
Suction core is stuck in coil. Release coil and clean coil and suction core
Suction core comes back from coil
Channels in valve are clogged, cleaning
Dirt between diaphragm and seat
Open the valve briefly with the aid of the manual. Ensure that there is sufficient filtered fluid
Shut-off valve does not close properly
Small under- or overpressure can cause the diaphragm to leak
Mounting the conical compression spring
Diaphragm is defective
Replace diaphragm
Shut-off valve leaks between housing and cover
O-rings between housing and cover do not seal tightly
Replacing the O-rings
Shut-off valve leaks when coil is used
O-ring of coil does not seal well
Replace O-ring
Shut-off valve leaks at adjusting screw
Do not seal the O-rings of the adjusting screw properly
Replacing the adjusting screw
Shut-off valve leaks at filter housing
O-ring of filter housing does not seal tightly
Replace filter housing
Shut-off valve leaks during manual operation
O-ring of manual operation does not seal tightly
Replace the manual control screw

Any other failure of an electric valve

If the electric valve shows a different fault, consult your dealer.

Maintenance

To prevent malfunctions, it is important that you regularly clean the filter in the filter housing of the electrical tap. In most cases, a clogged filter will lead to the electrical tap not being closed off.


Questions about the failure of an electric valve (Blue Rain)
Do you have questions about a certain failure of an electric valve, or would you like to get an advice? Please ask your question using the form below.


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