Troubleshooting - Bühler technologies BCM-WS Guía Rápida

BCM

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
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Action
The analogue
doesn't re-
• Check cable and
ceive the full/
replace, if ne-
correct output
cessary
current
⇔
• Maintain limits
Analogue out-
put doesn't
change the
output signal
• Maintain limits
when the in-
put signal
• Send device in
changes
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
• Wrong signal
type set
• Load too high
(current output)
• Analogue output
configured in-
correctly
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 ◦ 09/2020