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Brine level sensor

Brine level monitored by NV 10 accessory

Nibe · F1155 Heat Pumps

What does Brine level sensor mean?

The NV 10 accessory can monitor the level, pressure, and flow of the brine in the system. This connection is made to the input card.

Common Causes

  • NV 10 accessory installed
  • Sensor connected to terminal block X6 (AA3)
  • Input configured in menu 5.4

Repair Steps & Checklist

Click steps to track your progress.

  1. 1

    Ensure the NV 10 accessory is installed and connected to the correct input on terminal block X6 (AA3).

  2. 2

    Verify that the input is configured for the NV 10 function in menu 5.4.

  3. 3

    Confirm the input is connected during normal operation for monitoring to occur.

Browse all codes in this manual (27)
Verified technical data. Last updated: April 2026

Related Faults

AUX output configurationAUX output configured for specific functionAdditional heat blocked symbolAdditional heat blocked symbol — Immersion heater is not runningAlarm bell iconAlarm bell icon on display — An alarm condition is active
Source: Nibe F1155 Heat Pumps
Open Manual (Page 25)Search more codes in this manual