Siemens A49171 fault code meaning
Siemens / A49171
Series: G130-G150, S120-S150
Cooling unit: Thermal conductivity alarm threshold exceeded
converter
Meaning: Coolant thermal conductivity monitoring (r0267.7, via p0266[7]) has responded. See also: p0261 (Cooling unit start time 2), p0262 (Cooling unit thermal conductivity fault delay time), p0266 (Signal source for cooling unit feedback), r0267 (Cooling unit status word).
Possible causes
Source: SINAMICS G130_G150 P2010; SINAMICS S120_S150 P3228