Siemens F49151 fault code meaning

Series: G130-G150, S120-S150

Cooling unit: thermal conductivity exceeded the fault threshold

converter

Meaning: The thermal conductivity of the coolant has exceeded the set fault threshold (p0269[2]). See also: p0261 (Cooling unit start time 2), p0262 (Cooling unit thermal conductivity fault delay time), p0266 (Cooling unit feedback signal source)

Possible causes

Source: SINAMICS G130_G150 P2009; SINAMICS S120_S150 P3226