Bosch 1037

Medium

Compress — Outside temperature sensor faulty — heating standby.

Bosch 1037: Outside temperature sensor faulty — heating standby. This fault usually isn't an immediate stop, but should be checked soon.

Possible causes

Outside sensor/EMS comms to sensor faulty.
Installer board (microcontroller) faulty.

Check steps

Check outside sensor & wiring.
If 1037 without 1010: replace installer board.

Affected parts

Außentemperaturfühler
Installateurplatine

Safety note

230V — isolate power.

Source: Bosch resmi servis kılavuzu — Alarm List A/W Split (8754) p.1: code 1037 'Outdoor temperature sensor faulty, heating standby mode active.' Exact match.

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

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