What does Bock error code CF mean?

Error code CF on Bock equipment indicates communication fault — check wiring and addresses. Refer to the Bock service manual for specific diagnostic steps and safety precautions before troubleshooting.

How do I reset a Bock unit after a fault?

To reset a Bock unit, first resolve the root cause of the alarm. Then power cycle the unit or press the reset button on the controller. For Bock systems with digital controllers, navigate to the fault log and clear active alarms. Never reset without investigating the cause.

Where can I find Bock service manuals and documentation?

Official Bock service manuals are available through authorised distributors and the Bock technical support portal. AskWhiz provides instant AI-powered access to Bock troubleshooting information via WhatsApp — no manual hunting required.

Refrigeration

Bock error codes, decoded.

Look up any Bock fault code below. Each one is grounded in Bock's own service documentation — the meaning, the symptoms, the causes, and the steps to clear it.

By Octavian Ghindea

Co-founder & CTO · Reviewed August 2026

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Bock sits in our Refrigeration coverage. Every page here is transcribed from the manufacturer's manuals, not scraped from forums.

What error codes does Bock display?

Tap a code for the full breakdown — meaning, symptoms, causes, and fix steps.

Communication fault — check wiring and addresses

High pressure fault — check condenser and refrigerant charge

Sensor fault — check temperature probe wiring

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Common questions about Bock equipment

Other Refrigeration brands we cover

AskWhiz documents error codes for these manufacturers in the same vertical:

3M Accurex AHT Cooling Systems AKO Alco Controls Alfa Laval Arneg Aspera BAC Bitzer Carel Carrier Commercial Refrigeration