Troubleshooting - Praher Plastics EO510-IND Mode D'emploi

18.

Troubleshooting:

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The ball valve does not move freely
o The thrust collar was over-tightened
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o The union nut was over-tightened
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o The compensating thrust collar on the solar ball valve is in the wrong position
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o Temperatures in the system too high
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o The medium does not match the material
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The drive is no longer rotating
o No voltage
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o Incorrect voltage at the terminals
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o Extended period of disuse
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o The compensating thrust collar on the solar ball valve is in the wrong position
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o Foreign matter in the system
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o Damage to the ball and seal
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The ball valve is leaking
o You are using a Solar ball valve
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o Foreign matter in the system
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o Damage to the ball and seal
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o The ball valve does not move freely
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16
The ball valve is preset and the thrust collars must not be modified
Reset the thrust collar to the original position
Loosen the union nut and tighten manually
See item 12.1 Comments to the 3-way Solar ball valve:
Use the right ball valve material for the temperatures in question
Please ask our service engineers
Use the right ball valve material for the medium in question
Please ask our service engineers
Check the voltage at the terminals
Check the electrical installation
Check the voltage at the terminals
Provide voltage to the terminals as specified on the type plate.
Rotate the ball valve manually
See item 12.1 Comments to the 3-way Solar ball valve:
Remove the foreign matter
Integrate a filter into the system
Replace the ball and seals
Integrate a filter into the system
The Solar ball valve does not provide a hermetic seal
See item 12.1 Comments to the 3-way Solar ball valve:
Remove the foreign matter
Integrate a filter into the system
Replace the ball and seals
Integrate a filter into the system
See item 1 in Troubleshooting
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