11 SHURFLO WATER BOOST MODULAR FILTRATION SYSTEM INSTALLATION AND OPERATION GUIDE
Troubleshooting
Symptom Probable cause Solution
Water leaking from bottom of water filter sump
Water filter o-ring on cartridge failed Replace 0-ring on filter cartridge: Kit 94-696-00
O-ring failed between modular filter heads Repair / replace fittings: Kit 94-692-00
Water leaking from schrader valve during
pre-charge check
Failed bladder Replace bladder: 94-697-00 and pre-charge to proper pressure
Off taste in all dispensed drinks
Unit improperly stored after being in field use Sanitize unit
Contamination in incoming city water supply to system
Correct incoming water related concern prior to sanitizing and
putting system back into operation
Water leaking from around shroud area
(remove shroud for troubleshooting)
O-ring failed on inlet or outlet fitting of water boost pump Replace inlet / outlet fitting: 94-120-00
Water boost pump head assembly leaking Replace water boost pump: Model 8025-933-399
Failed inlet or outlet braided beverage tubing
Replace tubing assembly:
(inlet manifold 94-690-00)
Purge valve thread assembly improperly sealed or failed Repair / replace purge valve: 94-693-00
Outlet pressure gauge thread assembly improperly sealed Remove, reseal and reinstall outlet pressure gauge
Outlet pressure gauge damaged Replace outlet pressure gauge: 94-694-00
Relief valve failed Replace relief valve: 94-703-00
Relief valve thread assembly improperly sealed Remove, reseal and reinstall relief valve
Water boost pump will not cycle
Internal temperature sensor open - excessive motor
temperature safety
Identify cause of continuous motor cycle (lack of incoming city
water) correct and allow motor temperature to fall into normal
operating range
Water boost pump short cycles often
Loss of bladder pre-charge pressure Pre-charge bladder to proper charge
Loss of bladder pre-charge pressure - failed bladder Replace bladder: 94-697-00 and pre-charge to proper pressure
continued
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