CARE

Carel Ed1

Medium

ir33 / MPXPRO — Defrost on evaporator 1 ended by timeout.

Carel Ed1: Defrost on evaporator 1 ended by timeout. This fault usually isn't an immediate stop, but should be checked soon.

Possible causes

Defrost did not reach end temp within time.

Check steps

Check defrost probe & heater.
Check defrost parameters.

Affected parts

Abtaufühler
Abtauheizung

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 'Ed1' = 'defrost on evaporator 1 ended by timeout' (Ed2 = evaporator 2 analog). Body text (line 2990): 'The alarms Ed1 and Ed2 signal the end of the defrost due to maximum duration of the defrost time dP1/dP2.' Also…

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

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Related fault codes

Control probe fault.rE Probe S1 fault.E1 Probe S2 (evaporator/defrost) fault.E2 Low temperature alarm (too cold).LO High temperature alarm (too warm).HI Data memory alarm (EEPROM) — controller shuts EE