FCI Watermakers MAX-Q+, User Manual & Installation Manual

Page: 126 / 170

FCI WATERMAKERS, INC. 126 Troubleshooting
SYSTEM TROUBLESHOOTING GUIDE
(continued)
Problem Probable Cause Solution
System turns off by itself,
no fault condition showing
Loss of power No action
Program set up to run for a
certain amount of time
Adjust as needed (see control section)
Program set to make a specified
amount of water
Adjust as needed (see control section)
Program set to turn on or
off at specified times
Adjust as needed (see control section)
Low-pressure pump
will not shut off
Isolation relay on main control board is faulty Send to factory for repair
High-pressure pump
will not shut off
Isolation relay on main control board is faulty Send to factory for repair
Brine flow paddle wheel
does not stop spinning
after shutdown
System is in a fresh water flush mode Wait for fresh water flush to time out
Fresh water flush solenoid valve is faulty Replace or repair valve
Fresh water flush relay on
control board has failed
Send to factory for repair
System is making good
water but not diverting
to fresh water tank
Quality solenoid has failed Check wiring / Replace valve (use over ride
button on valve to divert water until repaired)
Quality solenoid relay on
control board has failed
Return control board to factory for repair
Brine flow is too low High pressure pump seals worn Replace seals
Product flow is low System pressure to low Increase pressure
Feed TDS high Adjust pressure up to 1000 PSI to
compensate for high TDS
Water temperature low Adjust pressure up to 1000 PSI to
compensate for low temperature
Membranes are fouled Clean or replace membranes
System does not
turn on when power
button is pressed
Fuses blown on main control Replace fuses
Power not on Apply power
System draws high amperes Low or incorrect voltage applied Adjust voltage to system specifications
High pressure not
increasing when HP Valve
is turned counter clockwise
HP pump seals need service Repair high pressure pump
Valve stem worn Replace high pressure valve
High quality light
does not come on
Pressure too low on system Increase pressure to rated output
Membrane is fouled Clean or replace membrane
Probe needs to be cleaned Clean or replace probe
Table 3: System Troubleshooting Guide (continued)