Troubleshooting And Remedy - Bosch Rexroth WGM Operating Instructions Manual

7.2 Troubleshooting and remedy

Problem / fault Possible cause
No indication No supply voltage
Error messages in the display:
Change between Err and Exxx: e.g.
Error 001 Ambient temperature too low
Error 002 Ambient temperature too high
Error 004 Pt100 defective (short-circuit)
Error 008 Pt100 defective (cable break)
Error 032 Sensor defective (supply line
open)
Error 064 Transmitter (humidity)
Error 128 Transmitter (humidity)
Error 256 Transmitter (temperature)
Error 512 Transmitter (temperature)
Error 1024 Internal error
Possible errors
Problem / fault
Switching output does
not switch when limit
values are exceeded
Switching output
permanently switches
through
Analog output does not
reach full/correct output
current
Analog output does not
change the output
signal with changed input
signal
⇔
Possible cause
Incorrect configuration
of the switching output
Defect on the switching
output
Incorrect configuration
of the switching output
Defect on the switching
output
Incorrect setting of the
signal form
Load too high
(current output)
Incorrect configuration
of the analog output
Service and repair
Remedy
Check cables and replace, if necessary
Comply with limit values
Comply with limit values
Send in device for repair
Send in device for repair
Send in device for repair
Input signal too low
Input signal too high
Input signal too low
Input signal too high
Please contact
customer service
Remedy
In the submenu :
cOUx
"Testing the switching output",
ensure normal operation
In the submenu :
cOUx
"Testing the switching output",
test the desired switching status
In the submenu cOUx :
"Testing the switching output",
ensure normal operation
In the submenu :
cOUx
"Testing the switching output",
test the desired switching status
In the submenu :
aOUx
Check and if necessary set signal form
(current/voltage output) correctly
Reduce load to admissible value
In the submenu :
caNx
"Testing the analog output",
ensure normal operation
RE 51550-B/09.2019, Bosch Rexroth AG
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