LG Dryer Error Code nP

What Does Error Code nP Mean on a LG Dryer?

No power to the heating element.

The dryer is operating but the heating element is not receiving voltage. This typically indicates a wiring issue, a failed heater relay on the control board, or a problem with the home's electrical supply.

What Causes Error Code nP?

Here are the most common causes in order of frequency. Start with the most likely cause before moving to the next:

1. 1
   Tripped circuit breaker on the dryer's 240V circuit 45% of cases
2. 2
   Failed heater relay on main control board 30% of cases
3. 3
   Burned wire or connector to heating element 15% of cases
4. 4
   Failed heating element 10% of cases

How to Fix LG Dryer Error Code nP

1. 1

   Check the circuit breaker

   Electric dryers use a 240V circuit with two breaker switches. If one side trips, the dryer runs (motor works on 120V) but won't heat. Reset both breaker switches.

2. 2

   Inspect the heating element wiring

   Check the wiring terminals at the heating element for burn marks or loose connections.

3. 3

   Test the heating element

   Disconnect and check for continuity. Should read approximately 10–15 ohms.

   🔩 Multimeter
4. 4

   Check control board relay

   If element and wiring are good, the relay that controls element power has failed.

   🔩 LG dryer control board ($100–$250)

How to Reset Error Code nP

Note: If the error returns after resetting, the underlying issue has not been resolved. Work through the fix steps above.

When to Call a Professional

Related Error Codes

Find Replacement Parts

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Frequently Asked Questions