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UNB

UNB — Imbalance inside the drum

Haier · Washing Machines

What does UNB mean?

This code signals an imbalance within the Washing Machine drum. This usually happens when laundry is incorrectly distributed or if a single bulky, heavy item is being washed.

Common Causes

  • Incorrectly distributed laundry in the drum
  • Washing a single voluminous and heavy item

Repair Steps & Checklist

Click steps to track your progress.

  1. 1

    Stop the Washing Machine cycle.

  2. 2

    Redistribute the laundry evenly inside the drum.

  3. 3

    Start the washing cycle again.

Browse all codes in this manual (13)
Verified technical data. Last updated: April 2026

Related Faults

ERR1ERR1 — Hatch not closed or lock device failureERR10ERR10 — Hydraulic system malfunction, pressure switch failureERR2ERR2 — Water not draining from the tank
Source: Haier Washing Machines
Open Manual (Page 1)Search more codes in this manual