Endress+Hauser Proline Promag W 800 - Diagnosis and troubleshooting; General troubleshooting

Proline Promag W 800 Diagnosis and troubleshooting
Endress+Hauser 75
12 Diagnosis and troubleshooting
12.1 General troubleshooting
For local display
Fault Possible causes Remedial action
Local display remains dark for
longer than 5 seconds when
touched.
Supply voltage does not match the
voltage specified on the nameplate.
Apply the correct supply voltage
→  53.
Supply voltage has incorrect
polarity.
Reverse polarity of supply voltage.
The connecting cables are not
connected correctly.
Check the cable connection and
correct if necessary.
No battery pack inserted or
connected.
No buffer capacitor inserted or
connected.
Insert or connect battery pack.
Insert or connect buffer capacitor.
Device is not powered from the
mains.
Touch the display for 5 seconds
→  72.
For output signals
Error Possible causes Remedial action
Signal output outside the valid range Main electronics module is defective. Order spare part →  92.
Device shows correct value on local display, but
signal output is incorrect, though in the valid
range.
Parameter configuration error Check and adjust parameter configuration.
Device measures incorrectly. Configuration error or device is operated outside
the application.
1. Check and correct parameter configuration.
2. Observe limit values specified in the
"Technical Data".
Measuring device not in smartphone or tablet
live list
Bluetooth communication set to "on touch" 1. Check whether the Bluetooth logo is visible on
the local display or not.
2. Touch the display for 5 seconds so that a
measured value is displayed.
Device not responding via SmartBlue app No Bluetooth connection Enable Bluetooth function on smartphone or
tablet.
The device is already connected to another
smartphone/tablet.
Login via SmartBlue app not possible Device is being put into operation for the first
time
Enter initial password (device serial number)
and change.
Device cannot be operated via SmartBlue app Incorrect password entered Enter correct password.
Password forgotten Contact Endress+Hauser Service.
No write access to parameters Hardware write protection enabled • Check user role
• Enter the correct customer-specific access
code
• Hardware write protection via DIP switch
For access
Error Possible causes Remedial action
Write access to parameter not possible. Hardware write protection is enabled. Set the write protection switch on the back of
the display to the ON position →  11.
Write access to parameter not possible. Current user role has limited access
authorization.
1. Check user role →  11.
2. Enter correct customer-specific access code
→  11.