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SECTION 5: TROUBLESHOOTING
Problem
Cause
Solution
Low Production
Water supply valve closed
Verify water supply valve position
Damaged or plugged supply line
Verify supply line condition
High feed water TDS. Raw water
content has changed
Consult dealer. Pre-treatment may be necessary
Membranes fouled
Replace membrane
Pre-filter fouled
Replace pre-filter
Brine seal incorrectly positioned
Re install membrane using lubricant
Check brine seal for damage
Demand exceeding production
Install larger storage tank
Water Leaking
Leaking fitting
Disconnect fitting and re seat tube
Filter housing leaking
Tighten housing with wrench.
Inspect O-ring for damage
Membrane housing leaking
Tighten clamp
Pressure relief valve leaking
Replace membranes.
Inspect lines for blockage
Pump leaking
Contact dealer
Low System Pressure
Clogged pre-filter
Replace filter
Low feed water pressure
Check feed water supply
Inlet solenoid closed
Verify power supply to unit
Boost pump malfunctioning
Contact dealer
High System Pressure
Recycle valve out of adjustment
See Step 2.5
Plugged or restricted recycle valve
Clean or replace
Crimped or damaged product line
Repair or replace product line
Membranes fouled
Clean or replace membranes
Permeate TDS Rising
Scaled perforated or fouled
membranes
Clean or replace membranes
Membrane O-rings not sealing
Re-seat or replace O-rings
Feed water analysis change
Verify feed water analysis and adjust pretreatment.
Product adaptor O-rings cut or
damaged
Verify condition of O-rings, replace as needed
Pre-treatment system not functioning Verify operation of pre-treatment system such as softener
Unit keeps turning off
Low pressure cutoff error (Red LED
solid or flashing)
Controller will wait 60 seconds and try to restart. Should it fail, the
controller will try again in 60 seconds, to a maximum of 5 times in
10 minutes. If the unit has failed to continue to run, then it will go
into alarm and will require a power re-set. Verify feed water system.
Unit running in Manual Mode.
Power button held for 3-5 sec will run unit in Manual mode. Unit
will run for 5 minutes then turn off. Turn off / on unit to clear manual
mode.
Microbial growth
Contamination of filter or membrane Wear nitrile gloves when handling filters on membranes. Contact
dealer.
