Error code reference

Samsung Washer Error Code AC5

Communication check error between the Inverter PBA and main PBA due to communication failure, incorrect or loose connections, or faulty soldering.

SourceSamsung Top-Loading Washer - Service Manual (WA52J8700 Series)p. 21

Diagnostic procedure

The full AC5 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 the connector connections between the Inverter PBA and main PBA for incorrect or loose connections.

SourceSamsung Top-Loading Washer - Service Manual (WA52J8700 Series)p. 21

More steps, wiring diagram references, and verified part numbers
Includes expected resistance and voltage values, connector pinouts, and supersession notes for replacement parts.
Unlock AC5 procedure $9.95

Or subscribe: $29/month for all codes plus Max diagnostics, with 70 Max messages a day. Plus applicable tax.

75,000+ service documents · 20,000+ error codes · 100+ brands

Get Started

$29/month · Cancel anytime · Or $9.95 3-day pass · Plus applicable tax