CARR

Carrier P.29

Medium

Pro-Dialog+ (30RB060-390) — Loss of communication with System Manager.

Carrier P.29: Loss of communication with System Manager. This fault usually isn't an immediate stop, but should be checked soon.

Possible causes

Communication wiring broken or faulty power supply.

Check steps

Check communication wiring and power supply.

Affected parts

CCN-Kommunikationskabel

Safety note

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Source: Carrier AquaSnap 30RB060-390 Pro-Dialog+ Controls, Start-Up, Operation, Service and Troubleshooting Instructions (Form 30RB-7T), Table 46 Alarm Codes + alarm descriptions, p.63-78

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

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