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Error code reference
Mitsubishi Air Conditioner Error Code PS
PU stop - motor stopped using STOP/RESET under mode other than PU operation mode.
SourceMitsubishi Packaged Rooftop Air Conditioner - Service Manual: Precedent eFlexp. 97
Diagnostic procedure
The full PS 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
Check for stop made by pressing STOP/RESET; turn start signal OFF and release with PU/EXT.
SourceMitsubishi Packaged Rooftop Air Conditioner - Service Manual: Precedent eFlexp. 97
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 Mitsubishi air conditioner.
Models covered by the manuals that document this code
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