
837E Solid-State Temperature Sensors User Manual
Troubleshooting
24 Pub #75054-004-08, March 2013
Warning Codes
Repair
Bulletin 837E temperature switches are not repairable.
Change Status
The release number on the nameplate and in the Operating Instructions indicates the
change status of the device: XX.YY.ZZ (example 01.02.01).
Code Explanation
W107 Simulation active
W202 Temperature outside the sensor range
W209 Device start-up
W210 Configuration modified
W212 Sensor signal outside the permitted range
W250 Number of switch cycles exceeded
W270 Short-circuit at output 1
W280 Short-circuit at output 2
XX Change in the main version.
Compatibility no longer provided. Device and Operating Instructions change.
YY Change in functionality and operation.
Compatibility provided. Operating Instructions change.
ZZ Troubleshooting and internal modifications.
Operating Instructions do not change.
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