Endress+Hauser Proline Prowirl R 200 - 12 Diagnostics and Troubleshooting; General Troubleshooting

Diagnostics and troubleshooting Proline Prowirl R 200 HART
146 Endress+Hauser
12 Diagnostics and troubleshooting
12.1 General troubleshooting
For local display
Error Possible causes Solution
Local display dark and no output
signals
Supply voltage does not match the
value indicated on the nameplate.
Apply the correct supply voltage
→  41.
Local display dark and no output
signals
The polarity of the supply voltage is
wrong.
Correct the polarity.
Local display dark and no output
signals
No contact between connecting
cables and terminals.
Check the connection of the cables
and correct if necessary.
Local display dark and no output
signals
Terminals are not plugged into the
I/O electronics module correctly.
Check terminals.
Local display dark and no output
signals
I/O electronics module is defective. Order spare part →  166.
Local display dark and output
signals in error current
Sensor short-circuit, electronics
module short-circuit
1. Contact service.
Local display is dark, but signal
output is within the valid range
Display is set too bright or too dark. • Set the display brighter by
simultaneously pressing  + .
• Set the display darker by
simultaneously pressing  + .
Local display is dark, but signal
output is within the valid range
The cable of the display module is
not plugged in correctly.
Insert the plug correctly into the
main electronics module and
display module.
Local display is dark, but signal
output is within the valid range
Display module is defective. Order spare part →  166.
Backlighting of local display is red Diagnostic event with "Alarm"
diagnostic behavior has occurred.
Take remedial measures
Text on local display appears in a
foreign language and cannot be
understood.
Incorrect operating language is
configured.
1. Press  +  for 2 s ("home
position").
2. Press .
3. Set the desired language in the
Display language parameter
(→  118).
Message on local display:
"Communication Error"
"Check Electronics"
Communication between the
display module and the electronics
is interrupted.
• Check the cable and the
connector between the main
electronics module and display
module.
• Order spare part →  166.
For output signals
Error Possible causes Solution
Signal output outside the valid
range
Main electronics module is
defective.
Order spare part →  166.
Signal output outside the valid
current range
(< 3.6 mA or > 22 mA)
I/O electronics module is defective. Order spare part →  166.