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Error code reference
Continental Washer Error Code A-b
Input Phase Loss-Phase failure or unbalanced voltage between the inverter supply phases, inverter displays Lin.
SourceContinental Washer - Service Manual: H20 Series Inverter Alarms & TroubleshootingPage 1 of 2
Diagnostic procedure
The full A-b 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
Using a voltmeter check supply voltage from L1, L2 and L3 phase to ground; should have between 110-125 volts, readings within +/- 2 volts of each other.
SourceContinental Washer - Service Manual: H20 Series Inverter Alarms & TroubleshootingPage 1 of 2
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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