Emec VMS MF Series - Troubleshooting

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TROUBLESHOOTING
Table 10. Troubleshooting.
PROBLEM
CAUSE
WHAT TO DO
The pump does not
switch on
• There is no power supply.
• Protection fuse blown
• Faulty circuit
• Connect the pump to the mains
• Replace the fuse following ⎘ Fuse
replacement procedure.
• Replace the circuit following ⎘ Circuit
replacement procedure.
The pump is not
dosing but the
magnet is working
• Foot filter obstructed
• Unprimed pump
(suction hose empty)
• Air bubbles in the
hydraulic circuit
• Product used generates gas
• Clean the foot filter
• Perform the priming procedure
• Check fittings and hoses and drain
air inside
• Open the bleed tap to let the air vent
out. Replace the pump body with a
self-purging model
The pump is not dosing
and the magnet is not
working or the stroke
is severely attenuated
• Crystal formation is
blocking the balls
• Injection valve obstructed
• Clean the valves and try circulating 2-
3 litres of water instead of the
chemical
• Replace valves
Pump displays
ERROR MEM
Data storage error
Reset to default values by following the ⎘
RESET procedure."
Pump displays
ERROR DATA
Data entry error
Check the values entered. If correct and
the error is still displayed, the pump may
be undersized
Invalid password
Ask for technical support
Pump displays
INPUT OPEN
Only in mA or Volt working
mode: no input signal
Check pump INPUT (external signal)