Endress+Hauser RMS621 - Trouble-shooting; Troubleshooting Instructions and System Errors

Trouble-shooting RMS621
54 Endress+Hauser
9 Trouble-shooting
9.1 Trouble-shooting instructions
Always begin trouble-shooting using the following checklists if faults occur after commissioning or
during operation. Different questions will guide you to the cause of the error and will suggest
appropriate remedial action.
9.2 System error messages
Display Cause Remedy
Counter data error • Data acquisition error in the counter
• Data in the counter faulty
• Reset counter
(→ Section 6.3.3 Main menu - Setup)
• Contact E+H Service if fault cannot be
eliminated.
Calibration data error slot "xx“ Calibration data set at the factory faulty/cannot be
read.
Remove card and insert it again (→ Section 3.2.1
Installing extension cards). Contact E+H Service if
error message appears again.
Card not recognised, slot "xx“ • Plug-in card defect
• Plug-in card not inserted correctly
Remove card and insert it again (→ Section 3.2.1
Installing extension cards). Contact E+H Service if
error message appears again.
Device software error:
• Error on reading the actual read address
• Error on reading the actual write read address
• Error on reading the actual oldest value
• adr "Address"
• DRV_INVALID_FUNCTION
• DRV_INVALID_CHANNEL
• DRV_INVALID_PARAMETER
•I2C bus error
• Checksum error
– Pressure outside steam range!
– No computation!
– Temp. outside steam range!
– Max. saturated steam temperature overshot!
Error in the program Contact your local E+H Service organisation.
S-Dat module error
(div. messages)
Error when reading data into or out of the S-Dat
module
Detach S-Dat module and attach it again. If
necessary, contact your local E+H Service
organisation.
"Communication problem" No communication between the remote display/
operating unit and the basic unit
Check wiring; the same baudrate and device
address must be set in the basic device and the
remote display/operating unit.