Troubleshooting - Praher Plastics EO510IND Manual Del Usuario

18.

Troubleshooting:

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