bürkert 8175 Bedienungsanleitung Seite 57

Faults
Current output of 22 mA
Fluid temperature between -40-80°C/-40-+176°F ?
Display blinking ?
Display message ' ERROR' ?
Current output value zero or different from the
display
SW2 correctly set (sinking or sourcing) ?
Connection of the current output OK ?
Failure < 1 mA ?
Fixed current output value (4 or 20 mA)
Parameters for current output OK ?
The devices connected to the relays do not work
Parameter relays OK ?
(threshold, inversion and delays)
Relays correctly connected ?
Connection of relays 1 and 2 inverted ?
Protection fuses for the relays OK?
8175
MAINTENANCE
Status
No
Yes
Yes
No
No
Yes
No
No
No
Yes
No
57
Actions
Device out of range
See previous page
Re-calibrate the unit
Modify SW2
Connect current output
Set the offset and span
Program the current output
Program the relay output
again
Connect relays
Connect relays accordingly
Change the fuses
see
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4.5.6
4.4
3.3
3.3
4.5
4.4.7
4.4.8
4.4.8
4.4.8
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