Fault Codes / Eliwell / Ad2

Eliwell Ad2

Medium

IDPlus 961/974 — Defrost ended by timeout.

Eliwell Ad2: Defrost 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.
Evaporator probe / defrost heater issue.

Check steps

Check evaporator probe & defrost heater.
Check defrost parameters (dt/dP).

Affected parts

Verdampferfühler
Abtauheizung

Safety note

Low voltage — work carefully.

Source: Eliwell resmi servis kılavuzu — Same manuals, p.16/p.21: 'Ad2 | Defrost due to timeout | end of defrost cycle due to timeout rather than due to defrost end temperature being recorded by Pb2 | Recording of label Ad2 in folder AL, Alarm icon permanently on | wait for the next defrost cycle for automatic return.'

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

Look up in Enthalio →

Related fault codes

Probe Pb1 (cold room) fault — alarms disabled.E1 Probe Pb2 (evaporator/defrost) fault.E2 High temperature alarm on Pb1 (too warm).AH1 Low temperature alarm on Pb1 (too cold).AL1 External alarm (via digital input).EA Open door alarm.OPd