Carel IA

High

ir33 / MPXPRO — Immediate alarm from external contact.

Carel IA: Immediate alarm from external contact. This fault noticeably affects operation.

Possible causes

External contact (immediate) triggered.

Check steps

Check tripping device & digital input.

Affected parts

Kein Ersatzteil — Einstellung/Konfiguration prüfen (DIP, Menü, Untercode)

Safety note

Low voltage — work carefully.

Source: Carel resmi servis kılavuzu — CAREL ir33+ User Manual +030220441 rel.2.5, Tab. 8.a p.59: code 'IA' = 'immediate alarm from external contact', flashing, buzzer/relay on. Also MPXPRO manual (kaeltetechnikshop.com IRELF0EN215): 'message "IA" shown on the display and alarm icon (triangle) flashing... activation o…

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

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Related fault codes

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