Error 76 - Special sensor 1 fault

What does 76 mean?

The user interface displays '76: Special sensor 1', indicating an issue with a specialized sensor (Location: BX). This error typically triggers an automatic reset.

• Faulty special sensor.
• Damaged or loose wiring to the sensor.
• Incorrect configuration for the special sensor in the system settings.

Click steps to track your progress.

1. 1

   Turn off the main power supply to the heat pump for 30 seconds, then turn it back on.

2. 2

   Check the sensor and its wiring for any visible issues or damage.

3. 3

   Allow time for the automatic reset to occur (default 6 hours) or use the manual reset function (Line 6711) if available.

4. 4

   Contact a qualified service technician to inspect or replace the special sensor.