40
8 Maintenance and fault rectification
WIKA Operating Instructions - Process pressure transmitter IPT-1*
Error code Cause
Rectification
4 … 20 mA
signal miss-
ing
Connection to volt-
age supply wrong
– Check connection according to
chapter "
Connection steps
" and
if necessary, correct according to
chapter "
Wiring plan
"
No power supply
– Check cables for breaks; repair if
necessary
Operating voltage
too low or load resist-
ance too high
– Check, adapt if necessary
Current sig-
nal greater
than 22 mA
or less than
3.6 mA
Electronics module
or measuring cell de-
fective
– Exchange the instrument or send it
in for repair
In Ex applications, the regulations for the wiring of intrinsically safe
circuits must be observed.
Error code Cause
Rectification
E013
no measured value
available
8)
– Exchange the instrument or send it
in for repair
E017
Adjustment span too
small
–
repeat with modified values
E036
no operable sensor
software
– Carry out a software update or send
instrument for repair
E041
Hardware error
– Exchange the instrument or send it
in for repair
Depending on the reason for the fault and the measures taken, the
steps described in chapter "
Set up
" may have to be carried out again.
8.3 Instrument repair
You can find information for a return shipment under "
Service
" on our
local website.
If a repair is necessary, please proceed as follows:
•
Complete one form for each instrument
•
If necessary, state a contamination
•
Clean the instrument and pack it damage-proof
•
Attach the completed form and possibly also a safety data sheet to
the instrument
Error messages via the
display and adjustment
module
Reaction after fault recti-
fication
8)
Fault message can also appear if the pressure is higher than the nominal
range.