What does Kulthorn error code HP mean?

Error code HP on Kulthorn equipment indicates high pressure fault — check condenser and refrigerant charge. Refer to the Kulthorn service manual for specific diagnostic steps and safety precautions before troubleshooting.

How do I reset a Kulthorn unit after a fault?

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

Where can I find Kulthorn service manuals and documentation?

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

Refrigeration

Kulthorn error codes, decoded.

Look up any Kulthorn fault code below. Each one is grounded in Kulthorn'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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Kulthorn sits in our Refrigeration coverage. Every page here is transcribed from the manufacturer's manuals, not scraped from forums.

What error codes does Kulthorn display?

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

High pressure fault — check condenser and refrigerant charge

High discharge temperature — check superheat settings

Sensor fault — check temperature probe wiring

Oil failure — check oil level and pump pressure

Compressor overload — check motor current draw

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Common questions about Kulthorn equipment

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