Mar Cor Purification M4-13200, Operation And Maintenance Manual, Page: 49 / 60

M-Series Water Purification Machines
1238160 Rev. D 6 - 3 Troubleshooting
TROUBLESHOOTING GUIDE
Symptom Possible Causes Remedies
Low operating
pressure Insufficient feedwater pressure or
flow
Clogged pre-filter
High flow rates
Dirty or fouled sepralators
Solenoid valve not opening
Pump rotating backwards
(three-phase power only)
Insufficient electrical power
Pump not operating correctly Open the feed pressure,
open the feedwater
valve, check for
restrictions.
Replace the cartridge
Close the concentrate
valve, check the
permeate and
concentrate flow rates
and adjust if necessary.
Excessive permeate flow
may indicate a damaged
O-ring.
Flush and clean the
sepralators.
Clean or replace the
solenoid valve
Switch any two three-
phase leads to the motor
starter.
Check the fuses or
circuit breakers,
measure the voltage.
See the pump
instructions