Diagnostics and troubleshooting
Waterpilot FMX21
70
Hauser
10
Diagnostics and troubleshooting
10.1 Troubleshooting
Device is not responding
• Supply voltage does not match the specification on the nameplate.
Apply correct voltage.
• Supply voltage has incorrect polarity.
Correct the polarity.
• Connecting cables are not in contact with the terminals.
Check the connection of the cables and correct if necessary.
Output current < 3.6 mA
Signal line is not wired correctly.
Electronics module is defective.
Check wiring.
Device measures incorrectly
Configuration error
Check and correct parameter configuration (see below).
HART communication is not working
• Communication resistor missing or incorrectly installed.
Install the communication resistor (250 Ω) correctly.
• Commubox is connected incorrectly.
Connect Commubox correctly.
• Commubox is not set to "HART".
Set Commubox selector switch to "HART".
RIA15 no display
• The polarity of the supply voltage is wrong
Correct the polarity
• Connecting cables are not in contact with the terminals
Ensure electrical contact between the cable and the terminal
• RIA15 defective
Replace RIA15
RIA15 start sequence keeps running through
Supply voltage too low
Increase supply voltage
Switch off backlight
10.2 Diagnostic events in the operating tool
10.2.1 Diagnostic message
Faults detected by the self-monitoring system of the measuring device are displayed as a
diagnostic message in alternation with the measured value display.
Status signals
The table lists the messages that may occur. The ALARM STATUS parameter shows the
message with the highest priority. The device has four different status information codes
according to NE107:
Failure
A device error has occurred. The measured value is no longer valid.
Maintenance required
Maintenance is required. The measured value is still valid.
Summary of Contents for Waterpilot FMX21
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