E73
What code E73 means on a Electrolux tumble dryers, what causes it, and which part to check first.
● SEVERITY: MEDIUM
Electrolux E73 means: Inlet thermistor failure. The documented cause is: Unplug the dryer and check the inlet thermistor (temperature sensor) wire harness connections. Reconnect any loose wires. Replace the wire harness if damaged.
What E73 means
Inlet thermistor failure
The display shows E73 and the machine stops until the fault is cleared.
What the technical documentation says
Causes documented in the technical source published by applianceaid.com
| DOCUMENTED CAUSE OR CHECK |
|---|
| Unplug the dryer and check the inlet thermistor (temperature sensor) wire harness connections |
| Reconnect any loose wires |
| Replace the wire harness if damaged |
| If the wire harness is okay, check the resistance of the inlet thermistor using a multimeter |
| You should measure around 50,000 ohms of resistance at room temperature of 70 degrees |
| Replace the inlet thermistor if resistance is off |
Replacement parts
Tools you'll need
Before you open anything
Unplug the machine before removing any panel. Lint is flammable: never run a dryer with the filter removed, and clear the duct if the code points to airflow.
What to check, in order
From the quickest check to the one that needs a technician.
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Frequently asked questions
What does E73 mean on a Electrolux?
Inlet thermistor failure The documented cause is: Unplug the dryer and check the inlet thermistor (temperature sensor) wire harness connections. Reconnect any loose wires. Replace the wire harness if damaged. If the wire harness is okay, check the resistance of the inlet thermistor using a multimeter. You should measure around 50,000 ohms of resistance at room temperature of 70 degrees. Replace the inlet thermistor if resistance is off
Can I fix E73 myself?
It depends on the part involved: Unplug the dryer and check the inlet thermistor (temperature sensor) wire harness connections. Reconnect any loose wires. Replace the wire harness if damaged. If the wire harness is okay, check the resistance of the inlet thermistor using a multimeter. You should measure around 50,000 ohms of resistance at room temperature of 70 degrees. Replace the inlet thermistor if resistance is off Clearing a filter or straightening a hose is within reach of anyone; anything behind a panel means mains electricity and water together — that is a job for a technician.
Does Electrolux use other codes on this appliance?
Yes: we document 46 other codes for Electrolux on this tumble dryers. They are listed at the bottom of this page, each with its own meaning.
Does the same code mean the same thing on other brands?
Often not. The same two characters can point to completely different faults depending on the manufacturer — always check the page for your own brand.