Micropilot FMR67B HART
Diagnostics and troubleshooting
Hauser
41
11
Diagnostics and troubleshooting
11.1 General troubleshooting
11.1.1 General errors
Device is not responding
• Possible cause: Supply voltage does not match the specification on the nameplate
Remedial action: Apply the correct voltage
• Possible cause: The polarity of the supply voltage is wrong
Remedial action: Correct the polarity
• Possible cause: The connecting cables are not in contact with the terminals
Remedial action: Check the electrical contact between cables and correct if necessary
• Possible cause: Load resistance too high
Remedial action: Increase the supply voltage to reach the minimum terminal voltage
Values not visible on the display
• Possible cause: Display setting is too bright or too dark
Remedial action:
Use the
Contrast display
parameter to increase or reduce contrast
Navigation path: System → Display → Contrast display
• Possible cause: The plug of the display cable is not connected correctly
Remedial action: Connect the plug correctly
• Possible cause: Display is defective
Remedial action: Replace the display
"Communication error" is indicated on the display when the device is started or the
display is connected
• Possible cause: Electromagnetic interference influence
Remedial action: Check grounding of the device
• Possible cause: Defective cable connection or display plug
Remedial action: Replace the display
Communication via CDI interface not working
Possible cause: Wrong setting of the COM port on the computer
Remedial action: Check the setting of the COM port on the computer and correct it if
necessary
Device measuring incorrectly
Possible cause: Parameter configuration error
Remedial action: Check and correct the parameter configuration
11.2 Error - SmartBlue operation
Operation via SmartBlue is only possible on devices that have a display with Bluetooth
(optionally available).