Troubleshooting – VACUUBRAND PC 3001 VARIO emission condenser Peltronic User Manual

Page 95

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Fault

Possible cause

Remedy

❑ No display.

➨ Electrical power cord

not plugged in, electri-

cal supply failure?

✔ Plug in power cord.

Check fuse.

➨ Controller CVC 3000 or

pumping unit switched

off?

✔ Switch on controller and/

or pumping unit.

➨ VACUU • BUS cable

between pump and

controller not plugged

in at controller?

✔ Plug in VACUU • BUS

cable at CVC 3000 con-

troller.

➨ Other than above men-

tioned causes?

✔ Contact local distributor.

❑ Display disappears. ➨ Too much load (e.g.,

valves) connected?

✔ Check current draw of the

connected devices.

➨ Short circuit at connect-

ed valves?

✔ Replace valves.

➨ Short circuit at the

RS 232 plug?

✔ Check plug and cable.

➨ Other than above men-

tioned causes?

✔ Contact local distributor.

❑ Pressure reading

incorrect.

➨ Pressure transducer

decalibrated?

✔ Readjust CVC 3000.

➨ Humidity in the mea-

surement chamber?

✔ Let the pressure trans-

ducer dry, e.g., by pump-

ing. Readjust if neces-

sary. Determine and

eliminate the cause for

humidity.

➨ Pressure transducer

contaminated?

✔ See ”Cleaning the pres-

sure transducer”.

➨ Other than above men-

tioned causes?

✔ Contact local distributor.

❑ Digital pressure

reading is flash-

ing, display shows

”0.0”.

➨ Pressure transducer

not correctly adjusted

under vacuum?

✔ Adjust CVC 3000 cor-

rectly.

❑ No digital pressure

reading.

➨ Pressure transducer

defective?

✔ Contact local distributor.

Troubleshooting

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