VEGA VEGACAP 82-98 - Manual (Page 33)

VEGACAP 33
1
3
4
C
K 7
6
1M Ω M
C C
T
5.6 Failure rectification
Failure Measure, failure rectification
No function or Make sure with Ex-systems that the Ex-protection is not influenced by
defective switching the meas. instruments.
function Check the following possible causes of failure:
- shortcircuit
- sensor not correctly connected
- sensor line interrupted
- supply voltage too low
Push the A/B-switch on the oscillator. The relay output of VEGACAP
switches and the control lamp (LED) changes condition. If the relay
output does not switch, the sensor, or rather the oscillator, is defective.
C
T
- Test capacitor
C
M
- Meas. capacitor
C
K
- Compensation capacitor
Screen
Reed
contact
Diagnostics
CAP E30 R