Fault Codes / Haier / E3

Critical

MRV 5 — Low pressure protection.

Possible causes

• Low refrigerant / stop valve closed / strainer.

Check steps

• Measure suction, leak test.

Affected parts

• Niederdrucksensor
• Kältemittel

Safety note

Source: Haier H-MRV / MRV5 Service Manual — Error Code Table

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

Look up in Enthalio →

Related fault codes