Mc-techgroup MP-F10_R Operator's manual Manual de usuario descargar pdf (Pagina 17)

10.1a-ME Gas sampling and gas conditioning technology 17

15 TROUBLE SHOOTING

Before working on the pump isolate the power supply securely, then check that the lines are not live.

Problem/Indication

Possible cause

Check/Action

Pump produces no

flow

No main supply

Check power supply; Check plug for correct

fit

Connections or lines are

blocked

Remove blockade

An external valve is closed or

a filter is blocked

Open valve or clean dirty/blocked filter

Liquid (condensate) has col-

lected in the pump head

Let pump convey air a few minutes

Flow, pressure or

vakuum too low

Diaphragm or valves are worn

Change diaphragm or/and valves

Compare the actual perform-

ance with the figures in chap-

ter 9

The pump is not designed for this condition

There is pressure on the

pressure side and at the same

time vacuum on the suction

side

The pump is not designed for this condition

The cross-section of the

pneumatic lines or connected

components is too small, or

they are restricted

To measure the performance, disconnect the

pump from the system (smaller diameter

tubing or a valve can significantly affect

performance)

A leak at the connectors, lines

or pump head. Bellows or

valve plate is damaged or

pump head is contaminated

Insulate the leak, tighten the screws, clean

or exchange contaminated parts

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Mc-techgroup MP-F10_R Operator's manual Manual de usuario Pagina 17

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