DuPure Impression Plus Series - Troubleshooting Guide; Timer Does Not Display Time of Day; Timer Display Issues or Flashing Time; No Softening;Filtering Display

12
Timer does
not display
time of day
A. transformer unplugged A. reconnect transformer
B. no power at outlet B. repair or use working outlet
C. defective transformer C. replace transformer
D. defective PC board D. replace PC board
Timer does not
display correct
time of day or
time of day
flashes
A. outlet is on a switch A. use unswitched outlet
B. power outage
B. reset time of day; if due to a power
outage of less than 24 hours, reset
time of day and replace battery
(see instructions on page 9)
C. defective PC board C. replace PC board
No softening/
filtering display
when water is
flowing
A. bypass valve in bypass position A. put bypass in service position
B. meter cable disconnected B. reconnect PC board
C. restricted/stalled meter turbine C. remove meter and check for debris
D. defective meter D. replace meter
E. defective PC board E. replace PC board
Unit regenerates
at wrong time
of day
A. past power outage A. reset time of day
B. incorrect time of day displayed B. reset time of day
C. time of regenerant set incorrectly C. reset time of regeneration
D. control set at “on 0”
D. check with regeneration time option in
programming
E. control set at “NORMAL + on 0”
E. check with regeneration time option in
programming
Valve stalled in
regeneration
A. motor not operating A. replace motors
B. no power at outlet B. repair outlet or use working outlet
C. defective transformer C. replace transformer
D. defective PC board D. replace PC board
E. broken drive gear or drive cap assembly E. replace gear or drive cap assembly
F. broken piston retainer F. replace drive cap assembly
G. broken main or regenerant piston G. replace main or regenerant piston
TROUBLESHOOTING GUIDE:
PROBLEM CAUSE CORRECTION