Spectra Watermakers VENTURA 150 - Manual (Page 24)

24
Troubleshooting Deluxe Systems
Symptom Cause Remedy
Feed pump runs but no pressure Feed pump air locked
Pressure relief valve open Open pressure relief valve to bleed
the air then close to start
Close valve
Feed pump starts but shuts down on
high pressure
Prefilter excessively clogged
Closed valve or blockage in flow Change filter
Check flow path for closed valve or
kink in hose
Low water production
High amperage
High feed pressure Strainer or prefilter clogged Service prefilter and strainer
Low water production,
Low pressure
Pressure relief valve partially open
Worn pump head Close valve
Check flow should be 1.4 GPM
Replace pump head.
Water production normal
High feed pressure high amperage Cold seawater temperature
Fouled membrane Normal condition
Clean membrane
Water production normal
Lower pressure
Lower amperage Warm sea water or brackish water. Normal condition
Asymmetrical pressure and flow
readings between pump shifts Check valve leaking
Failed annular ring
Shaft seal leaking Contact dealer or see the Clark
Pump repair manual.