Trouble Shooting Guide - Water Tec CP Operating Manual

SYMPTOM
RO unit will not start
Low feed pressure
No high pressure
No waste water
No product water or low
Product water
High TDS in permeate water
Water Tec Int'l. Inc.

TROUBLE SHOOTING GUIDE

POSSIBLE CAUSE
No electrical power to control circuit
On/Off Switch
Time delay not operating
Fuse
Coil in magnetic motor starter burned out
Liquid Level Control Relay
Pump motor
Low Pressure
Incoming feed water supply may be off
Incoming feed water supply line may be
Restricted / under sized
Upstream pretreatment
Pre-Filter may be clogged / dirty
Low Pressure Switch
Reject valve open too far
Reject bypass may be open
High pressure gauge may be broken
Restriction in tubing to gauge
Pump impellers may be worn
Low water volume to pump
Waste Valve may be closed
Clogged drain line
Pump pressure may be too low
Waste valve open too far
Membranes may be fouled / dirty
Water temperature may be low
TDS monitor or probe
Low pump pressure
Membranes may be clogged / dirty
SOLUTION
Check power supply
Check power / replace
Check power / replace
Check / replace
Check / replace motor or coil
Check for power
Check / replace
Check
Check / replace line if kinked
Check all pretreatment
Check / replace
Check for power / replace
Check / adjust
Check / adjust
Check / replace
Check / replace / replace if kinked
Check / replace impellers or pump
Check
Check / open / adjust
Check / replace / replace if kinked
Check / adjust
Check / adjust
Check / clean / replace
Check
Check / adjust / replace
Check / adjust
Check / clean / replace
19 Version 02A