Proline Prosonic Flow 93 PROFIBUS DP/PA
Troubleshooting
Hauser
135
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
→
Terminals 1, 2
2.
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.
Meter electronics defective
→
Order spare part
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
2.
Display module defective
→
Order spare part
3.
Meter electronics defective
→
Order spare part
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.
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:
– Type of error:
S
= system error,
P
= process error
– Error message type:
$
= fault message,
!
= notice message
–
MEDIUM 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!
• Also refer to the information on
• The measuring system interprets simulations and positive zero return as system errors, but displays them as notice
messages only.
System error (device error) has occurred
Process error (application error) has occurred
Æ
Faulty connection to control system
No connection can be made between the control system and the device.
Check the following points:
Supply voltage
Transmitter
Check the supply voltage
→
Terminals 1/2
Device fuse
Check device fuse
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
Fieldbus connection
PROFIBUS PA: Check data line
Terminal 26 = PA +
Terminal 27 = PA
−
PROFIBUS DP: Check data line
Terminal 26 = B (RxD/TxD-P)
Terminal 27 = A (RxD/TxD-N)
Fieldbus connector
(only for PROFIBUS PA)
• Check pin assignment/wiring
• Check connection between connector/fieldbus port.
Is the coupling ring tightened correctly?
Содержание Proline Prosonic Flow 93
Страница 2: ......
Страница 168: ...www endress com worldwide BA00076D 06 EN 13 10 71121236 FM SGML6 0 ProMoDo...
