Fault Codes / Samsung / E500

Samsung E500

Critical

DVM / Split — IPM (IGBT) over-temperature.

Samsung E500: IPM (IGBT) over-temperature. This fault typically halts operation and needs immediate attention.

Possible causes

Heat sink dusty / ventilation blocked / high load.

Check steps

Clean heat sink & ventilation paths.
Check IPM mounting & inverter PBA.

Affected parts

Inverter-PBA
Kühlkörper

Safety note

High voltage! Let capacitors discharge.

Source: Samsung resmi servis kılavuzu — Samsung Service Manual AC-00216E_1, §Troubleshooting → 2. Error Code table, p.37: "E-500 Error due to overheat caused by contact failure on IPM of Inverter PBA1". Also §3-30 item 5 (p.70): "Heat sink temperature error: E474, E500 – Error occurs when heat sink of the inverter PBA…

Reviewed by Anıl Güzeldemir — in the refrigeration machine room since 2006, developer of Enthalio.

Look up in Enthalio →

Related fault codes

Indoor/outdoor communication error.E101 Room temperature sensor (Room-TH) fault.E121 Indoor fan error.E154 Discharge temperature too high (DIS-TH over).E416 Outdoor EEV (expansion valve) self-diagnosis eE422 Communication error indoor ↔ outdoor (trackingE102