DAN

Danfoss A59

Low

EKC 202A/B/C — Case cleaning active — signal from digital input

Danfoss A59: Case cleaning active — signal from digital input This fault is usually minor, but points to an underlying cause.

Possible causes

Case cleaning function was manually started via the switch on the DI input (o02=10)
Switch was accidentally left in cleaning position; there is no temperature monitoring during this phase

Check steps

Verify whether cleaning is actually in progress; return the switch to normal position once done
Check parameter o46 (case clean status) and manually reset the function if needed

Affected parts

DI input cleaning switch/contact

Safety note

No temperature monitoring is active during case cleaning — secure goods beforehand if needed.

Source: Danfoss resmi servis kilavuzu (bagimsiz cift-dogrulandi) — Danfoss "Controller for temperature control EKC 202A, B, C" User Guide RS8DZ902, © Danfoss 2018-10, Fault message table (p.14, immediately following the p.13 footer): "A59: Case cleaning. Signal from DI input"

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

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