Electrolux Dryer Error Code 0x73

Error code 0x73 on an Electrolux dryer signals a Steamer NTC Error related to the NTC2 temperature sensor in the steam system. The fault indicates the sensor has failed, the wiring to the sensor is defective, or the main control board is faulty. The dryer identifies the problem by detecting a resistance reading outside the expected 4.9 KΩ to 6.5 KΩ range at the J8 connector terminals.

The dryer's steam function will not operate correctly while this error is present, as the control board cannot accurately monitor steamer temperature. Running the steam cycle in this condition is not recommended. Standard drying cycles may still function, but the underlying fault should be diagnosed and repaired before relying on steam features.

A power reset may temporarily clear the error code from the display, but the fault will return if the underlying hardware problem has not been corrected. Because 0x73 reflects an actual sensor reading failure rather than a software glitch, the defective sensor, wiring, or board must be properly diagnosed and repaired for the error to stay cleared.

A knowledgeable DIYer can perform the initial diagnostic by measuring resistance across the J8-1 and J8-2 connector terminals using a multimeter. If the reading falls outside 4.9 KΩ to 6.5 KΩ at room temperature, the sensor or wiring needs attention. Replacing a thermistor or repairing a wiring connection is manageable for those comfortable working with appliance components, but main board replacement is more complex and may warrant professional service.

Repair costs vary depending on the failed component. Replacing an NTC thermistor sensor is typically the least expensive repair, with parts generally ranging from $15 to $60. If the main control board is at fault, parts alone can range from $100 to $300 or more, with additional labor costs if a technician is involved. Wiring repairs fall somewhere in between depending on the extent of the damage.