Error code reference

Mitsubishi Air Conditioner Error Code OL

Stall prevention (overcurrent) warning - output current exceeded stall prevention level, frequency adjustment in progress.

SourceMitsubishi Packaged Rooftop Air Conditioner - Service Manual: Precedent eFlexp. 95-96

Mitsubishi codes Mitsubishi air conditioner codes

Diagnostic procedure

The full OL 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

First diagnostic step

Check Pr.0 Torque boost, Pr.7/Pr.8 accel/decel times, load weight, and Pr.22 stall prevention level.

SourceMitsubishi Packaged Rooftop Air Conditioner - Service Manual: Precedent eFlexp. 95-96

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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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The full OL procedure

Where this code is documented

Models covered by the manuals that document this code

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