Master Water Conditioning MP-MCA Series, Installation And Operation Manual, Page: 18 / 33

17
Problem: Timer does not display time of day
Possible Cause Solution
AC Adapter unplugged Connect power
No electric power at outlet Repair outlet or use working outlet
Defective AC Adapter Replace AC Adapter
Defective PC Board Replace PC Board
Problem: Timer does not display correct time of day
Possible Cause Solution
Switched outlet Use uninterrupted outlet
Power Outage Reset time of day
Defective PC Board Replace PC Board
Problem: Control Valve regenerates at wrong time of day
Possible Cause Solution
Power Outages Reset control valve to correct time of
day
Time of day not set correctly Reset to correct time of day
Time of regeneration incorrect Reset regeneration time
Problem: Control valve stalled in regeneration
Possible Cause Solution
Motor not operating Replace motor
No electric power at outlet Repair outlet or use working outlet
Defective AC adapter Replace AC adapter
Defective PC board Replace PC board
Broken drive gear or drive cap
assembly
Replace drive gear or drive cap
assembly
Broken piston retainer Replace piston retainer
Broken main or regenerate piston Replace main or regenerate piston