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The LED on the SKD62/MO cable adapter flashes red during the calibration, as the
positioning signal Y and the positioning feedback U do not correspond anymore. This is
interpreted as a blockage and thus indicated as an error.
If necessary, the calibration can be repeated any number of times.
LED indication of operational status
SKD60, SKD62.., SKD62/MO
The dual-colored LED indicating the operational status is visible when the cover is removed.
LED indication
Lit green
Flashing green
Lit red
Flashing red
As a general rule, the LED can only assume the states shown above – continuously lit red or
green, flashing red or green, or off/dark.
Siemens
Smart Infrastructure
Function
Normal operation
Stroke calibration in progress
Faulty stroke calibration
Internal error
Inner valve jammed
No power supply
Dark
Electronics faulty
Remarks, troubleshooting
Automatic operation; everything o.k.
Wait until calibration is finished
(LED stops flashing, will be lit green or red)
Check mounting; restart stroke calibration (by short-circuiting
calibration slot)
Replace electronics
Troubleshoot, check valve, restart stroke calibration
Check mains network, check wiring
Replace electronics
7
CM1N4561en
2021-02-17
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