9 Trouble-shooting PROline Promag 10
66 Endress+Hauser
9 Trouble-shooting
9.1 Trouble-shooting instructions
Always start trouble-shooting with the checklist below, if faults occur after
commissioning or during operation. This takes you directly (via various queries) 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 power supply
→ Terminal 1, 2
2. Check the power line fuse → Page 75
85...250 V AC: 1A slow-blow
11...40 V DC and 20...55 V AC: 1.6 A slow-blow
3. Measuring electronics defective
→ Order spare part → Page 72
No display visible but output
signals are present
1. Check whether the ribbon-cable connector of the display module is
correctly plugged into the electronics board
→ Page 74
2. Display module defective → Order spare part → Page 72
3. Electronics defective
→ Order spare part → Page 72
Display texts are in a foreign
language.
Switch off power supply. Press and hold down both the OS-buttons
simultaneously and switch on the measuring device again. The display
text will appear in English and is displayed at maximum contrast.
Measured value indicated,
but no signal output at the
current or pulse output
Electronics board defective
→ Order spare part → Page 72
▼
Error messages on display
Errors which occur during commissioning or operation are displayed immediately.
Error messages consist of a variety of icons. The meanings of these icons are as follows (example):
– Error type: S = System error, P = Process error
– Error message type:
$ = Fault message, ! = Notice message
– EMPTY PIPE = Error designation (e.g. partially filled measuring tube)
– 03:00:05 = Duration of error occurrence (in hours / minutes /seconds)
– #401 = Error number
" Caution!
• Please refer also to the information on Page 51 ff.!
• The measuring system interprets simulations and positive zero return as system errors, but displays
them as notice messages only.
Error number:
No. 001 – 399
No. 501 – 699
System error (device error) has occurred
→ Page 67
Error number:
No. 401
− 499
Process error (application error) has occurred
→ Page 69
▼
Other errors (without error message)
Some other error has
occurred.
Diagnosis and remedial measures
→ Page 70
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