Error code

Siemens Sinumerik All models code H1

For your safety

This fault is rated high and involves an area that affects personal safety. No remote repair or do-it-yourself instructions are given; do not use the appliance or try to open or repair it.

Hazard area: mains voltage

Do not use the appliance and call an authorised service. If there is a risk to life, move to a safe place and see the emergency numbers.

The emergency numbers here are for Turkey. If you are outside Turkey, call your local emergency number.

All emergency numbers and province details

No approved translation for this record yet; showing the original text.

Meaning

Illuminates if ... +5V/POK: ... supply voltage is in tolerance range. NF: ... NCK-Watchdog has activated and during the startup phase. CF: ... COM-Watchdog has activated. CB: ... data transfer takes place via BTSS. CP: ... data transfer takes place via PG MPI interface. For NCUs with the MLFB ...-...-0AA0, the following applies: NCU-internal voltage monitoring has switched off the power supply (retentive) of the module if ...

Member details

Signed-in members see the LED pattern and how to read the code with the remote control on eligible records.

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Solution

Solution steps are not shared for faults that may be dangerous.

No do-it-yourself solution is given for this fault. For your safety, call an authorised service.