Hotpoint Wt741 Error Code F02

This thread was marked as solved. Here's a summary of the problem and the fix, generated from the discussion below.

Hotpoint WT741 showing F02 with violent drum movement under load

The problem

A Hotpoint WT741 washing machine displayed error code F02. The drum could be turned by hand, the belt and motor bearing were reported as fine, and there was no obvious drum bearing play. The machine could complete a cycle with no load, but with laundry in it the drum moved violently, struck the cabinet and the fault reappeared.

Likely cause

The accepted diagnosis was that F02 means the control can power the motor but cannot detect that it is turning. As the drum was not jammed by hand and the belt was in place, the strongest suggested cause was a fault with the motor tacho system, such as the tacho coil having dropped off or the tacho magnet not providing feedback. A drum jam was discussed but not supported by the reported checks.

What fixed it

Recommended action was to inspect the motor feedback system, particularly the tacho coil and tacho magnet on the motor, because loss of tacho feedback can make the control think the motor is jammed. No confirmed repair steps or replacement parts were reported in the discussion.

Checks to try

• Error code F02 displayed
• Drum turns by hand when stopped
• Shock absorbers and springs were replaced with genuine Hotpoint parts
• Motor bearing reported fine
• Belt reported fine and in place
• No obvious drum bearing play reported
• Machine completes a full cycle with no load
• Motor appears to try to turn then stops almost immediately

Parts or tools mentioned

• Shock absorbers
• Springs