Cubemass DCI MODBUS RS485 Troubleshooting
Endress+Hauser 67
9 Troubleshooting
9.1 Troubleshooting instructions
Always start troubleshooting with the following checklist if faults occur after commissioning or
during operation. The routine takes you directly to the cause of the problem and the appropriate
remedial measures.
Check the display
No display visible and no
output signals present.
1. Check the supply voltage → Terminal 1, 2
2. Check device fuse → ä 81
85 to 260 V AC: 0.8 A slow-blow / 250
V
20 to 55 V AC and 16 to 62 V DC:
2 A slow-blow / 250 V
3. Measuring electronics defective → order spare parts → ä 76.
No display visible, but
output signals are present.
1. Check whether the ribbon-cable connector of the display module is correctly plugged
into the amplifier board → ä 76.
2. Display module defective → order spare parts → ä 76
3. Measuring electronics defective → order spare parts → ä 76
Display texts are in a
foreign language.
Switch off power supply. Press and hold down both the P keys and switch on the
measuring device. The display text will appear in English (default) and is displayed at
maximum contrast.
Measured value indicated,
but no signal at the current
or pulse output
Measuring electronics defective → order spare parts → ä 76
Æ
Error messages on display
Errors that occur during commissioning or measuring are displayed immediately. Error messages consist of a variety of
icons. The meanings of these icons are as follows (example):
– Type of error: S = System error, P = Process error
– Error message type: $ = Fault message, ! = Notice message
– FLUID INHOM. = Error designation (e.g. fluid is not homogeneous)
– 03:00:05 = Duration of error occurrence (in hours, minutes and seconds)
– #702 = Error number
"
Caution!
See the information on → ä 31.
Error number:
No. 001 - 399
No. 501 - 699
System error (device error) has occurred → ä 68
Error number:
No. 400 - 499
No. 700 - 799
Process error (application error) has occurred → ä 73
Æ
Other error (without error message)
Some other error has
occurred.
Diagnosis and rectification → ä 74