Error code reference
Samsung Dishwasher Error Code AC6
No response received from inverter PBA for 3 seconds; Inverter relay off for 2 minutes, repeated 3 times…
No response received from inverter PBA for 3 seconds; Inverter relay off for 2 minutes, repeated 3 times before error code displayed.
First step from the service manual
Check main PBA and Inverter PBA and verify communications connections are properly connected.
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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