ENTHALIO

Fault Codes / Bosch / A01 (5234)

BO

Bosch A01 (5234)

Medium

Compress — Pool temperature sensor TP1 fault.

Bosch A01 (5234): Pool temperature sensor TP1 fault. 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 — Cross-verified: code 5234 = Pool temp sensor TP1 open circuit, >179kOhm after 3 faults in 2 hours — matches 'Pooltemperaturfühler TP1 fehlerhaft'.

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)