Quick diagnosis
What this code is telling you
Most likely trigger
items bunched on one side
Recommended replacement
Suspension / No Part Normally Required
Diagnostic path
4 ordered checks
Part fit
Exact model number required
Safety first
Before opening the appliance
Disconnect electrical power before removing panels or handling internal components. Do not bypass safety devices or perform live electrical testing unless you are qualified to do so.
Read the full safety disclaimerRoot cause
Why the control reported this error
Unb indicates that the wash load is unbalanced because items bunched on one side. single heavy item and machine not level can produce the same code, so verify the fault before replacing components.
Possible causes
Check the most likely causes first
- 1
items bunched on one side
Start here when it matches your symptoms.
- 2
single heavy item
- 3
machine not level
Diagnostic sequence
Work through these checks in order
Stop when you find the fault. Do not perform a step that requires skills or live testing you are not qualified to do.
- 1
Check 1
Pause the cycle.
- 2
Check 2
Evenly redistribute clothing in the drum.
- 3
Check 3
Retry spin at a lower speed if needed.
- 4
Check 4
Confirm the machine is level if Unb repeats with balanced loads.
Recommended next step
Troubleshoot before buying a part
This code does not point to a replacement part as the first action.
Follow the diagnostic sequence above first. Supply problems, maintenance conditions, settings, airflow restrictions, or temporary control states can often trigger this code without a failed component.
If the code returns after the listed checks, use the complete model number and manufacturer documentation before ordering anything.
Common questions
Quick answers for this fault
What should I check first for Unb?
Start with items bunched on one side. If that checks out, continue through the diagnostic sequence above rather than replacing a part based on the code alone.
Do I need to buy a part for Unb?
Usually not as the first step. This code is commonly tied to a setting, supply issue, maintenance condition, airflow restriction, or temporary operating state. Complete the diagnostic checks before considering parts.
When should I stop troubleshooting Unb myself?
Stop if the next step requires live electrical testing, sealed-system work, gas or combustion service, or any procedure outside your training. Disconnect electrical power before removing panels or handling internal components. Do not bypass safety devices or perform live electrical testing unless you are qualified to do so.
Manufacturer reference
Verify against the official support source
FixCodeDB summarizes the fault in plain language. For model-specific instructions, confirm the guidance with the manufacturer and your appliance manual.
Haier Combination Washer/Dryer Error Codes — Haier Appliances →Was this useful?
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