Repair
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DOUBLE-SEAT VALVE INOVA (Type 580)
BA 058000.06 EN 15.11.2018
Fault - Leakage Possible cause Measures
Outflow of fluid at the
leakage outlet (valve closed
and leakage CIP inactive).
• Form seal in upper or lower seat
area is defective.
• Upper or lower valve disk is not
• Check the outflowing liquid and
assign to the upper or lower pipe.
Check the corresponding sealing
seat or change the form seal.
• See repairs in "Fault – Function"
Outflow of fluid at the
leakage outlet (valve opened
and leakage CIP inactive).
• O-ring in the leakage chamber is
defective.
• Check the sealing seat or change
the seal.
Outflow of fluid at the
overflow pipe of the upper
or lower flushing chamber
• The upper or lower lip sealing is
defective or incorrectly installed.
• Check the corresponding sealing
seat or change the seal.
Outflow of fluid at the upper
or lower venting bore hole.
• Upper or lower flushing chamber
sealing defective
• Change the quad-ring.
Fault - Leakage Possible cause Measures
No display of the valve
position.
• Plug defective
• Electrical voltage supply
interrupted
• The solenoid valves are defective
or the electrical control has been
disturbed or is not active.
• Check the solenoid valves and the
control.
Fault – Function Possible cause Measures
Single-seat lifting (above or
below) does not close.
• The solenoid valves are defective
or the electrical control is faulty or
is not active.
• A solid body is lodged between the
sealing areas.
• The actuator spring is blocked or
broken.
• Check the solenoid valves and the
control.
• Clean the valve housing and the
seat.
• Change the drive.
The defective drive should be
repaired by the manufacturer.
The flushing of the leakage
chamber or the flush
chambers is insufficient.
• The volume or pressure of the
flushing liquid is insufficient.
• The supply valve does not open.
• The pre-installed cycle times are
insufficient.
• Carry out a corresponding
inspection and if necessary change
the settings.
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