10.0 – EXTRAORDINARY MAINTENANCE
All components supplied are chosen and tested according to rigid selection principles and therefore guarantee, for a long period of time, the
reliability and operation of our equipment.
Due to external problems (such as overvoltages, excessive pressure and water-hammers), any bad or improper use or programming errors, may
render necessary extraordinary maintenance in addition to the ordinary maintenance already mentioned.
Following can be found a list of possible faults and ways to correct the faults.
Fault
The pump does not dose the product
The electronic part does not transmit
impulses to the magnet
No leds are on
The pump pulses in an irregular manner Check that the power supply values are within the limits indicated.
When the additive is finished the pump
does not go into an alarm state
Fault correction
• non-return valve deteriorated or badly assembled: assemble correctly or substitute the valve following
ordinary maintenance instructions;
• membrane deteriorated, substitute the part;
• magnet fuse broken, substitute the fuse (check magnet resistance)
• magnet burnt, substitute the magnet
Broken printed circuit due to overvoltage or other causes, etc.: substitute the printed circuit
Check that the pump has a power supply (current plug and socket): If the pump remains inactive
contact our technical assistance centre.
Check the connection between the sensor and its connector
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