VEGA VEGAFLEX 66 (-110…+400°C) 4 … 20 mA_HART - four-wire - Manual (Page 39)

? 4 … 20 mA signal missing
l
W
rong connection
à Check connection according to chapter "Connection
steps" and if necessary, correct according to chapter
"W
iring plan"
l
N o power supply
à Check cables for breaks; repair if necessary
l
supply voltage too low or load resistance too high
à Check, adapt if necessary
? C urrent signal greater than 22 mA or less than 3.6 mA
l
E
lectronics module defective
à Exchange instrument or return instrument for repair
I n Ex applications, the regulations for the wiring of intrinsically
safe circuits must be observed.
? E 013
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
à Wrong sensor length entered
? E 017
l
A djustment span too small
à Carry out a fresh adjustment and increase the distance
between min. and max. adjustment
? E 036
l
no operable sensor software
à Carry out a software update or send the instrument for
repair
? E 042/E043
l
H ardware error, electronics defective
à Exchange instrument or return instrument for repair
Fault messages via the
indicating/adjustment
module
VEGAFLEX 66 • 4 … 20 mA/HART - four-wire 39
8 M aintenance and fault rectification
32763
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EN
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