Kenmore Dryer F31 Error Code: Causes, Cost & Fix

What is the Kenmore Dryer F31 error?#

F31 on a Kenmore dryer is a low-voltage fault: one leg of the 240-volt supply has dropped, so the drum tumbles happily but the load stays cold. It is not the dryer that is broken — it is the power feed. The first thing I check is both circuit breakers for the dryer, because one leg feeding heat can trip while the other, feeding the motor, stays live and keeps the drum turning.

F31 on a Kenmore Dryer: likely causes and repair cost#

On a Kenmore Dryer, the F31 code signals: low l2 voltage.

Typical professional repair: $50–$200 · Difficulty: moderate · usually a technician job

Symptoms that often accompany F31: The drum tumbles but the load stays cold; Drying drags on far longer than it should; It heats one cycle then runs cold the next

Technician diagnostic sequence for F31:

1. Check both circuit breakers for the dryer — one may be tripped while the other is on
2. Turn both breakers OFF then ON firmly
3. Measure outlet voltage with multimeter — both legs should read 120V to neutral (240V across)
4. If voltage is correct at outlet but F31 persists, the power cord or terminal block is faulty

Parts a technician may check or replace: if damaged

Field note: This 110-series Kenmore is Whirlpool-built and needs both legs of its 240-volt feed to heat. A drum that tumbles happily but never warms is the classic sign one leg has dropped out — a half-tripped breaker or a loose outlet lug. If it keeps recurring, have an electrician check the receptacle wiring rather than the dryer.

How to troubleshoot the F31 error yourself#

There is a genuine owner check here before it becomes an electrician's call. A dryer needs both legs of its 240-volt feed to make heat, and a tumbling-but-cold drum is the classic sign one leg has dropped. Find the dryer's breaker — often a double breaker — and firmly switch both halves fully off and then back on, since a breaker can half-trip and cut one leg while the other holds.

If resetting the breaker does not restore heat, the table above moves to metering the outlet, which is not a DIY task with mains voltage present. A technician confirms both legs are live at the receptacle, and if the voltage is correct there but F31 persists, checks the power cord and terminal block on the dryer. When the fault keeps recurring, the field note is right that an electrician should inspect the receptacle wiring rather than the dryer — a loose outlet lug is a common cause.

Is the Kenmore Dryer F31 error worth fixing?#

F31 is usually an inexpensive fix, and sometimes free. The table above lists $50 to $200 for a professional repair, but a half-tripped breaker costs nothing to reset yourself. When it does need work, it is typically a power cord, terminal block, or outlet connection rather than a costly internal part, so the repair is easily worth it on any sound dryer. A recurring F31 more often points to house wiring than the machine, which an electrician sorts out affordably.

Kenmore Dryer F31: frequently asked questions#

What does the F31 error mean on a Kenmore dryer?#

It signals low voltage on one leg of the dryer's 240-volt supply. The drum still tumbles on the good leg, but with a leg down the heater cannot run, so loads stay cold.

Is it safe to keep using a Kenmore dryer showing F31?#

The dryer itself is safe, but a recurring lost leg points at a wiring or breaker issue worth resolving. It simply will not heat until both legs are restored.

Can I clear the F31 error myself, or do I need a technician?#

Try firmly resetting both halves of the dryer's breaker. If heat does not return, metering the outlet and cord under mains voltage is a technician or electrician's job.

How much does it cost to repair F31 on a Kenmore dryer?#

The table above lists $50 to $200 for a professional repair, though a simple breaker reset often costs nothing.

Which parts usually fail when a dryer throws F31?#

Often no dryer part at all — it is a tripped breaker or loose outlet connection. When the machine is at fault it is the power cord or terminal block.

Is a Kenmore dryer with F31 worth repairing?#

Yes — it is usually a cheap fix or a free breaker reset, and recurring cases are a house-wiring issue an electrician resolves affordably.

Why does a lost supply leg trigger F31?#

The heater needs both legs of the 240-volt feed. If one leg drops at the breaker or outlet, the board sees low voltage on that line and reports F31 while the drum still turns.