Continental Washer Error Code A-19
Motor Overload
Motor Overload – Motor currents higher than defined alarm level including current value and time constant, inverter displays OLU.
First step from the service manual
Remove drive belt and rotate drum to verify it turns freely and that the drum bearings are moving freely.
The complete diagnostic procedure includes additional test steps, resistance specifications, wiring diagram references, and component test points.
Get the full diagnostic procedure for A-19.
- 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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What A-19 means on a Continental washer
The A-19 error code on a Continental washer indicates a motor overload condition. The inverter drive monitors motor current continuously, and when the current draw exceeds a defined alarm threshold for longer than the programmed time constant, the inverter triggers this fault and displays OLU on its interface. This is a protective shutdown designed to prevent damage to the motor windings and the inverter electronics from sustained overcurrent conditions.
The motor overload fault can originate from mechanical resistance in the drive system or from electrical faults within the motor itself. Mechanical causes include worn or seized drum bearings, a drive belt that is too tight or binding, or a foreign object lodged between the drum and the tub creating drag. All of these conditions force the motor to draw higher current than the inverter's defined limit. On the electrical side, shorted motor windings or a failing inverter that is delivering incorrect voltage can also produce excessive current readings.
The first diagnostic step is to remove the drive belt and manually rotate the drum to check for smooth, free movement. If the drum is difficult to spin by hand or produces grinding or rough sensations, the drum bearings are likely worn and creating the mechanical load that is overworking the motor. If the drum spins freely without the belt, attention should shift to the motor and inverter. Reconnecting the belt and observing whether the load returns will help isolate whether the fault is mechanical or electrical in origin.
Source: manufacturer service documentation.
Common causes of A-19
- 01
Worn or Seized Drum Bearings
Part replacementFailing drum bearings create significant rotational resistance, forcing the motor to draw excessive current to keep the drum spinning. With the drive belt removed, a drum that feels rough, gritty, or difficult to turn by hand points directly to bearing failure.
- 02
Drive Belt Too Tight or Damaged
Part replacementA drive belt that is over-tensioned, frayed, or misaligned adds mechanical drag to the motor load and can push current above the inverter's alarm threshold. Inspect the belt for correct tension, cracking, and proper seating on both pulleys.
- 03
Foreign Object Obstructing the Drum
Wiring / connectionItems such as coins, wire bra underwires, or small clothing articles can become lodged between the drum and the outer tub, creating intermittent or constant resistance. Rotating the drum by hand may reveal the obstruction through a grinding or catching sensation.
- 04
Motor Winding Failure
Part replacementShorted or partially open motor windings cause abnormal current draw independent of any mechanical load. If the drum rotates freely with the belt removed and no mechanical fault is found, the motor itself should be tested for proper resistance values across its windings.
- 05
Inverter Drive Malfunction
Part replacementA failing inverter may supply incorrect voltage or develop internal faults that cause it to read current inaccurately or deliver unregulated output to the motor. If the motor and mechanical components test within normal parameters, the inverter should be evaluated as the source of the fault.
Frequently asked questions about A-19
What does A-19 mean on a Continental washer?
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Will resetting my Continental washer clear the A-19 error code?
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