ENTHALIO

Fault Codes / Bosch / A01 (5271)

BO

Bosch A01 (5271)

Medium

Compress — Flow sensor T0 defective (plausibility).

Bosch A01 (5271): Flow sensor T0 defective (plausibility). This fault usually isn't an immediate stop, but should be checked soon.

Possible causes

Check steps

Affected parts

Safety note

230V — isolate power.

Source: Bosch resmi servis kılavuzu — Doc: 'A01 Customer Alarm Heating circuit 1 high flow temperature.' Possible causes list includes 'Defective T0 sensor.'

Reviewed by Anıl Güzeldemir — in the refrigeration machine room since 2006, developer of Enthalio.

Look up in Enthalio →

Related fault codes

No EMS BUS communication / internal connectionA11 Booster heater limiter (STB) or pressure switcA01 (5246) Hot gas temperature too high (TR6 > 110–120H01 (5311) Z1 phase monitor tripped: one or more supply-vA01 (5273) High pressure guard MR1 tripped.H01 (5508) Compressor control failure – not running / locA01 (5350)