Low voltage — one leg dead
An electric dryer is getting 120V instead of 240V. The drum turns and there is no heat — one of the two breakers tripped, or one leg of the outlet is dead.
- The dryer's breaker in the panel is a double (two handles tied together) and both are fully on. Switch it all the way off and back on; a tripped half does not always look tripped.
- The dryer is plugged straight into its own 240V outlet, never an extension cord or an adapter.
- A newly installed cord: the terminal block screws are tight and the strap is right for a 3-prong or a 4-prong cord — a loose terminal on a new cord is the usual L2 on a new dryer.
Reset the breaker and the code clears. A breaker that trips again, a dead leg at the outlet, or a cord to re-terminate is a licensed electrician's job — 240V work is never a home repair. A dryer on a sound outlet that still prints L2 has a fault on its own board — a service call.
L2 on a dryer plugged into a sound 240V outlet is a service call on the control. One dead leg at the outlet is an electrician's; leave the dryer unplugged until it is checked.
