Vega VEGAPULS 61 (≥ 2.0.0 - ≤ 3.8) 4 … 20 mA__HART two- Bedienungsanleitung PDF herunterladen (Seite 51)

Error Cause Removal

Voltage supply

missing

Check cables

for breaks; repair if

necessary

Operating voltage

too low or load

resistance too

high

Check, adapt if necessary

Current signal

greaterthan 22 mA

or less than

3.6 mA

Oscillator in the

sensor defective

Exchange the instrument or send it in

for repair

In Ex applications, the regu

lations for the wiring of intrinsically safe

circuits must be observed.

? E013

l no measured value available

à Sensor in boot phase

à Sensor does not ﬁnd an echo, e.g. due to faulty installation or

wrong parameter adjustment

? E017

l Adjustment span too small

à Carry out a fresh adjustment and increase the distance

between min. and max. adjustment

? E036

l no operable sensor software

à Carry out a software update or send instrument for repair

? E041, E042, E043

l Hardware error, electronics defective

à Exchange the instrument or send it in for repair

Depending on the failure reason and measures taken, the steps

described in chapter "Set up" must be carried out again, if necessary.

8.3 Exchanging the electronics module

If the electronics module is defective, it can be replaced by the user.

In Ex applications only one instrument and one electronics module with

respective Ex approval may be used.

Fault messages via the

indicating/adjustment

module

Reaction after fault rec-

tiﬁcation

VEGAPULS 61 • 4 … 20 mA/HART two-wire 51

8 Maintenance and fault rectiﬁcati

28434-EN-100426

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