Siemens F01978 fault code meaning

Siemens / F01978

Series: S120-S150

CBE41: Overtemperature fault

converter

Meaning: The overtemperature trip threshold of Ethernet communication board 41 (CBE41) has been reached.

Possible causes

Source: SINAMICS S120_S150 P2670

Series: S220

CBEXX: Overtemperature fault

converter

Meaning: The overheat alarm threshold has been reached for Ethernet communication board 41 (CBE41) and Ethernet communication board 20 generation 3 (CBE20-3). Note: This fault causes the components to disconnect. Communication via CBE41 and CBE20-3 therefore cannot continue.

Possible causes

Source: SINAMICS S220 converter P2197