Error code reference
Samsung Dishwasher Error Code AE2
Main PBA to Inverter PBA communication failure
Main PBA to Inverter PBA communication failure - no response received from inverter PBA for 5 seconds, Inverter RELAY OFF for 1 minute, displayed after repeated 3 times.
First step from the service manual
Check communications connection for the main PBA or Inverter PBA.
The complete diagnostic procedure includes additional test steps, resistance specifications, wiring diagram references, and component test points.
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- Step-by-step tests with expected resistance, voltage, and continuity values
- Wiring diagram references and connector pinouts from the OEM service manual
- Verified part numbers when replacement is required
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