27
Programming Troubleshooting, cont.
Problem
Possible Cause
Solution
Control valve stalled in regeneration.
Motor not operating.
Replace motor.
No electric power at outlet.
Repair outlet or use working outlet.
Defective transformer.
Replace transformer.
Defective PC board.
Replace PC board.
Broken drive gear or drive cap assembly.
Replace drive gear or drive cap assembly.
Broken piston retainer.
Replace drive cap assembly.
Broken main or regenerant piston.
Replace main or regenerant piston.
Control valve does not regenerate
automatically when REGEN button
is depressed and held.
Transformer unplugged.
Connect transformer.
No electric power at outlet.
Repair outlet or use working outlet.
Broken drive gear or drive cap assembly.
Replace drive gear or drive cap assembly.
Defective PC board.
Replace PC board.
Control valve does not regenerate
automatically but does when
REGEN button is depressed.
Bypass valve in bypass position.
Put control valve in service position.
Meter connection disconnected.
Connect meter to PC board.
Restricted/stalled meter turbine.
Remove meter and check for
rotation or foreign matter.
Defective meter.
Replace meter.
Defective PC board.
Replace PC board.
Setup error.
Check control valve setup procedure.
Time of day flashes on and off.
Power has been out more than 2 hours, the trans-
former was unplugged and then plugged back
into the wall outlet, the transformer plug was
unplugged and then plugged back into the board
or the NEXT and REGEN buttons were pressed to
reset the valve.
Reset the time of day.