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Error code reference
Speed Queen Dryer Error Code AIR FLOW 2 ERROR
Air flow switch failed to close within 5 seconds after fan reached 90% rated speed when cycle started/restarted.
SourceSpeed Queen Quantum Platinum Dryer - Service Manual (DRY639R)p. 51
Diagnostic procedure
The full AIR FLOW 2 ERROR procedure
Step 1 is visible so you can confirm you are on the right page. The remaining steps, the ones that tell you whether to actually replace a part, unlock with any pass.
MyPros+ · DiagnosticsStep 1 preview
1
First diagnostic step
After 3 failed attempts, control goes to cool down. Clear error by any key press, opening loading door, or cycling power. Check air flow switch and exhaust duct for blockage.
SourceSpeed Queen Quantum Platinum Dryer - Service Manual (DRY639R)p. 51
More steps, wiring diagram references, and verified part numbers
Includes expected resistance and voltage values, connector pinouts, and supersession notes for replacement parts.
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Where this code is documented
1 manual in the MyPros+ library documents this code for Speed Queen dryer.
Models covered by the manuals that document this code
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