Vetus WP1220B Manuel D'utilisation Et Instructions D'installation page 12

Low pump capac-
ity or pressure.
Pump leaks.
Noisy or rough
operation.
12
050406.02
Dirt in inlet filter.
Worn wobble plate.
Worn diaphragm.
Inlet / outlet tube restriction.
Inlet air leak.
Faulty pressure switch.
Incorrect voltage.
Loose fasteners.
Pump seals degraded.
Leak in diaphragm.
Flexible mounting surface.
Loose pump head.
Compressed base feet.
Rigid plumbing.
Remove cover and clean filter.
Replace pump.
Replace pump.
Remove restriction.
Tighten fittings / Replace cracked
fittings.
Replace pressure switch assembly.
Check voltage (± 10 %)
Tighten fasteners.
Replace pump.
Replace pump.
Mount pump on rigid surface.
Tighten fasteners.
Decompress base feet.
Plumb pump with flexible plumb-
ing.
vetus® Automatic demand water pressure pump WP