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Unspecified faults 314

Alarm 314 (or 400, 207, 209, 211, 213) Unspecified faults — Inverter or configuration issues

NIBE · S2125 Air/Water Heat Pump

What does Unspecified faults 314 mean?

This alarm covers several unspecified faults related to the inverter, including incompatibility, missing configuration files, or charge error configuration.

Common Causes

  • The inverter is not compatible with the Heat Pump.
  • Configuration file is missing for the inverter.
  • Charge error in configuration.
  • Poor system pressure.

Repair Steps & Checklist

Click steps to track your progress.

  1. 1

    Check the indoor module/control module display for specific action instructions.

  2. 2

    Ensure the Heat Pump's main software is the latest version.

  3. 3

    Verify that the base board installed is suitable for S2125 (if a replacement was recently made).

  4. 4

    If the alarm persists, contact a qualified technician to check inverter compatibility and configuration settings.

Browse all codes in this manual (55)
Verified technical data. Last updated: April 2026

Related Faults

Communication fault to Inverter 254Alarm 254 (or 264, 203) Communication fault to Inverter — Inverter unpowered or brokenCompressor speed too low 354Alarm 354 (or 503, 186) Compressor speed too low — Inverter safety function reduces compressor speedContinuous light CPULED: CPU Continuous light — CPU is not running correctly
Source: NIBE S2125 Air/Water Heat Pump
Open Manual (Page 42)Search more codes in this manual