Microswitch Systems
PRIMARY FAULT SECONDARY FAULT CAUSE ACTION
No water through taps Pump not running Faulty pump Test & Replace
No 12v at connection Check fuse
Check isolation switch
Clean pump connections
Pump running Air lock in pump Shake pump when submerged in water
Selected tap failure No "click" in tap Faulty microswitch Clean or replace (See Microswitches)
No 12v at switch Faulty connection Find Faulty connection & replace
Low flow of water through taps Low 12v light power Low 12v battery power Charge battery

Pressure Switch Systems

PRIMARY FAULT SECONDARY FAULT CAUSE ACTION
No water through taps pump not operating faulty pump Test & replace
Faulty pressure switch Check connections & power.Replace.Adjust Pressure Switch
Faulty isolation switch Test then replace
Pump failing to stop on command None Pressure switch adjustment Readjust pressure switch See "How to"
None Diaphragm in pressure switch split Replace Pressure switch
Black particles in water Water filter failed Replace filter
Low flow of water through taps Low 12v light power Low 12v battery power Charge battery