Master Water Conditioning MP-MCA Series - Page 15

14
Troubleshooting
Problem: Water conditioner fails to regenerate.
Possible Cause
Solution
Power supply to MP-MCA control
has been interrupted.
Determine reason for power
interruption and correct. Reset time of
day.
Water pressure lost.
Restore water pressure.
Corrupted programming of MP-
MCA timer.
Reprogram timer assembly.
Defective MP-MCA timer.
Replace timer assembly.
No salt in brine tank.
Add salt and regenerate.
Manual bypass valve is open.
Close manual bypass valve.
Leak at riser pipe seal.
Insure that riser pipe is properly
sealed at o’ring seal. Inspect pipe for
cracks.
Insufficient brine.
Check brine float height and clean
assembly if necessary. Check flow
rate capabilities of safety float and air
check assembly.
Plugged injector or injector screen.
Inspect and clean injector and/or
injector screen.
Problem: No Brine Draw
Possible Cause
Solution
Plugged injector or injector screen.
Inspect and clean injector and/or
injector screen.
Insufficient water pressure.
Increase water pressure above 25
psig (172kPa) minimum.
Corrupted programming of MP-
MCA timer.
Reprogram timer assembly.
Defective MP-MCA timer.
Replace timer assembly.
Obstructed drain line.
Remove obstruction.