Troubleshooting - Bühler technologies BCM-W Manual Del Usuario

BCM-W

7.1 Troubleshooting

Problem/ Possible cause
malfunction
No display • No supply
voltage
Error messages on the display:
Alternating between Err and Exxx: e.g.
Error 001 • Ambient tem-
perature too
low
• Ambient tem-
Error 002 perature too
high
Error 004 • Pt100 failure
(short-circuit)
• Pt100 failure
Error 008
(cable break)
Error 032 • Sensor failure
(supply line
open)
• Transmitter
Error 064
(moisture)
Error 128 • Transmitter
(moisture)
• Transmitter
Error 256
(temperature)
Error 512 • Transmitter
(temperature)
Error 1024 • Internal error
Possible errors
Problem / Possible cause
Malfunction
Switching out- • Switching out-
put not trig- put configured
gering when incorrectly
exceeding lim-
its
• Switching out-
put defect
Switching out- • Switching out-
put constantly put configured
switching incorrectly
• Switching out-
put defect
12 Bühler Technologies GmbH
Action
• Check cable and
replace, if ne-
cessary
⇔
• Maintain limits
• Maintain limits
• Send device in
for repair
• Send device in
for repair
• Send device in
for repair
• Input signal too
low
• Input signal too
high
• Input signal too
low
• Input signal too
high
• Please contact
customer ser-
vice
Action
• In submenu Coux:
"Test Switching
Output" to ensure
normal mode
• In submenu Coux:
"Test Switching
Output" to test the
desired switching
output
• In submenu Coux:
"Test Switching
Output" to ensure
normal mode
• In submenu Coux:
"Test Switching
Output" to test the
desired switching
output
Problem / Possible cause
Malfunction
The analogue • Wrong signal
doesn't re- type set
ceive the full/
correct output
current
• Load too high
(current output)
Analogue out- • Analogue output
put doesn't configured in-
change the correctly
output signal
when the in-
put signal
changes
Action
• In submenu Aoux:
Check and if neces-
sary set the correct
signal type (cur-
rent/voltage out-
put)
• Reduce load to per-
missible value
• In submenu CAnx:
„Test Analogue Out-
put" to ensure nor-
mal mode
BX150101 ◦ 12/2021