18
UDI 12/2019
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Manual
UdiMatic
9 - TROUBLE SHOOTING
Symptom
Cause
Remedy
Filter flushes often
Extra soiled water
Take measures upstream
Pressure loss increases rapidly
Insufficient cleaning:
1. Inlet pressure is too low
2. Outlet pressure is too low
1. Pump at higher pressure
2. Install a pressure-sustaining
valve
Discharge-pipe only runs 2-3
sec. (instead of 8-10 sec.)
Rotor does not go up/down
Check cylinder
Filter doesn’t flush at pressed
button
Electrically and/or valve
Test: disconnect hose
Filter does not flush on ∆P en/or
time
Print settings / ∆P-switch
Check power / settings
Flushing ends slowly
In-line filter clogged
Clean
