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E590

E590 — Inverter EEPROM Checksum error

Samsung · Air Conditioning

What does E590 mean?

The Inverter EEPROM (memory) has a checksum error, indicating potential data corruption or an issue with the stored configuration.

Common Causes

  • Corrupted EEPROM data
  • Faulty Inverter PCB
  • Power fluctuation affecting memory write

Repair Steps & Checklist

Click steps to track your progress.

  1. 1

    Power off the unit at the circuit breaker for 30 seconds, then power it back on.

  2. 2

    If the error persists, consult a qualified technician to inspect the Inverter PCB.

  3. 3

    A technician may need to re-upload the correct EEPROM data to the unit.

Browse all codes in this manual (94)
Verified technical data. Last updated: April 2026

Related Faults

COND temperature sensor errorCondenser temperature sensor error — Outdoor coil temperature sensor faultCommunication errorCommunication error — Indoor/outdoor inverter main MICOM communication lostCommunication error after trackingCommunication error after finishing tracking — System communication issue following a tracking process
Source: Samsung Air Conditioning
Open Manual (Page 129)Search more codes in this manual