Aquion ProFlow, Technical Manual

Page: 21 / 52

TROUBLESHOOTING
Page 21
PROBLEM CAUSE SOLUTION
Control valve fails to
refill brine tank Improper refill time setting Verify that refill time corresponds to salt level and
amount of resin
Plugged refill flow control Clean refill flow control
Loss of resin Lower and/or upper distributor damaged Replace distributor(s)
Leak between riser tube and upper distributor Verify that riser tube is seated correctly and is not
cracked
Control valve fails to
draw brine Low operating pressure Check operating pressure; must be higher than 1,4
bar
Plugged injector Clean injector
Restricted drain line Verify drain line for kinks or restrictions
Restricted brine line Verify brine line for kinks or restrictions
Leak in brine line Verify brine line and connections for air leakage
No water in brine tank Refer to problem “Control valve fails to refill brine
tank”
Control valve cycles
continuously Defective micro switch Replace micro switches
Duplex/Triplex Parallel:
all Simplex systems
regenerate
simultaneously
InterConnect communication does not
function correctly Check connections of InterConnect cable(s)
Defective PCB Replace PCB
Duplex Alternating:
both Simplex systems
are in service
simultaneously
InterConnect communication does not
function correctly Check connections of InterConnect cable
Defective PCB Replace PCB
Defective Service Valve Replace Service Valve