avantor VWR VC100 Manuale di istruzioni - Pagina 16

Sfoglia online o scarica il pdf Manuale di istruzioni per Controllore avantor VWR VC100. avantor VWR VC100 19. Controller vacuum

5. Failure diagnosis

The advanced production technology and testing methods are used for rigorous testing

before delivery, to ensure good reliability. In service, the common failures are generally

caused by improper operation or setting.

If the errors cannot be handled properly, please record the error phenomenon and notify

the local dealer, or contact us directly.

The following are the possible failures of the vacuum controller in application:

Fault phenomenon

The vacuum pump does

not work

Error message appears

when setting the

pressure value

The solenoid valve and

pump is ON/OFF

frequently.

Cause analysis

The power switch on the

vacuum pump is not turned

ON.

The power cable connection is

improper or damaged.

Check whether the set value

exceeds the limit.

Check the pipeline for

airtightness.

Check whether the hysteresis

value is too small.

Solution

Switch power ON the

vacuum pump.

Connect the cable

properly or replace the

damaged cable.

Adjust the set value.

Connect the pipeline

properly.

Increase the hysteresis

value.