Data Sheet for Product

Siemens CM1N4561en

Smart Infrastructure 2021-06-21

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

Function Remarks, troubleshooting

Lit green

Normal operation Automatic operation; everything o.k.

Flashing green

Stroke calibration in progress Wait until calibration is finished

(LED stops flashing, will be lit green or red)

Lit red

Faulty stroke calibration Check mounting; restart stroke calibration (by short-circuiting

calibration slot)

Internal error Replace electronics

Flashing red

Inner valve jammed Troubleshoot, check valve, restart stroke calibration

Dark

No power supply Check mains network, check wiring

Electronics faulty Replace electronics

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.