User guide

Troubleshooting
27
Warning Codes
6. 2 Spare Parts
O-ring for adapter change
• O-ring 15.54 x 2.62 mm (0.61 x 0.10 in.), EPDM 70 Shore FDA,
Catalog no. 836E-NV1
• O-ring 15.54 x 2.62 mm (0.61 x 0.10 in.), FKM 70 Shore FDA,
Catalog no. 836E-NV2
6. 3 Repair
Bulletin 836E pressure switches are not repairable.
6. 4 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 Pressure 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.