Huebsch Washer Error Code E Ub: Load Out of Balance

What does Huebsch error code E Ub mean?

During spin-up the drum has to settle so that the wet laundry is spread around it. If the drum will not settle, the shaking would strain the machine, so the control stops the extract and displays "E Ub". The customer finds wet, heavy laundry sitting in the drum with the cycle ended or paused. The usual cause is a lump of wet laundry, like a single large item, or a load that is too small or too big. The manual's step is to redistribute the load and run the cycle. Its list also includes the load size and how it sits in the drum, single heavy items such as rugs or bedding, the balance switch and suspension, and the motor drive if the drum shakes with a normal load. If a properly mixed load still goes out of balance, the cause is more likely in the machine than in the laundry.

Affected models and control systems

This page covers Huebsch Quantum frontload washers in the FLW1535C family and CHM495R-family washer-extractors, 20 to 100 lb. Other washers have their own balance messages.

Code numbers and their meaning can change between control generations. We match the full model and control before acting on a code.

What you may notice

• Wet, heavy laundry left in the drum
• "E Ub" displayed with the cycle ended or paused
• Drum shaking at the start of the spin

Possible causes

Listed in Huebsch's documentation

• Load too small, too large or lumped in the drum
• Single heavy items such as rugs or bedding
• Balance switch or suspension out of order
• Motor drive problem if shaking continues with a normal load

Other likely causes — what usually sits behind error code E Ub on this control. A technician confirms which one it is before any part is replaced.

• Towels twisted into one wet rope around a heavy mat
• Worn suspension that lets the drum swing farther than the balance switch expects

Safe checks before calling for service

How a technician diagnoses error code E Ub

1. Read the code and ask what was in the load.
2. Check that the machine is level and the feet are firm.
3. Inspect the suspension and shock mounts.
4. Test the balance switch operation.
5. Check the drive if the drum shakes with a proper load, and repair only what the test shows.

How error code E Ub differs from similar codes

E Ub is the general unbalance message. On the CHM495R, E FS is the separate frame balance switch message.

Technical reference

Document

Commercial Frontload Washers Troubleshooting FLW1535C, Part No. 803402R2, March 2016, Section 4 Table 3 (pp. 18-20)

Edition

Part No. 803402R2, March 2016

Models / control

Quantum frontload (FLW1535C family) electronic control; CHM495R family washer-extractor front-end control (20-100 lb)

Section

Section 4 Electronic Control Troubleshooting - 8. Error Code Listing, Table 3, printed pp. 18-20 (PDF pp. 20-22)

Checked

October 2026

We use the maker's document to read the code and do not reproduce it. Always confirm the complete model and control before applying these steps.