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336

Alarm 336 - High current load, compressor

NIBE · S-Series Heat Pumps

What does 336 mean?

The output current from the inverter to the compressor has been temporarily too high 3 times within 2 hours or continuously for 1 hour. This suggests the compressor is drawing excessive current.

Common Causes

  • Defective compressor.
  • Disruption in supply voltage.
  • Fault in the inverter.

Repair Steps & Checklist

Click steps to track your progress.

  1. 1

    Check the main circuit breaker for the Heat Pump; if it has tripped, reset it once.

  2. 2

    Turn off the Heat Pump at the main power switch for a few minutes, then turn it back on.

  3. 3

    If the alarm persists, contact a qualified NIBE service technician, as this may indicate a problem with the compressor or inverter.

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

Related Faults

212Alarm 212 - Low lp cooling (Low low-pressure in cooling circuit)233Alarm 233 - Fan alarm from Heat Pump234Alarm 234 - Exchange sensors flow / return
Source: NIBE S-Series Heat Pumps
Open Manual (Page 43)Search more codes in this manual