Vision Washer Error Code Er:22
Frequency synchronisation failure between control main
Frequency synchronisation failure between control main – weak power supply.
First step from the service manual
Check power supply.
The complete diagnostic procedure includes additional test steps, resistance specifications, wiring diagram references, and component test points.
Get the full diagnostic procedure for Er:22.
- 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 Er:22 means on a Vision washer
Er:22 on a Vision washer indicates a frequency synchronisation failure between the main control board and the power supply. The control board continuously monitors the incoming AC line frequency to synchronise its internal timing and motor control signals. When the detected frequency deviates outside an acceptable tolerance or cannot be read consistently, the board flags this as a synchronisation failure and halts operation to prevent damage to connected components.
The most direct cause is a weak or unstable power supply reaching the machine. This can result from low line voltage, excessive voltage fluctuations, or a shared circuit with high-draw appliances creating voltage sag during operation. The control board requires a stable, consistent AC frequency (typically 50 Hz or 60 Hz depending on the region) to maintain proper synchronisation. If the incoming power is noisy, intermittent, or outside normal parameters, the board cannot lock onto a stable frequency reference.
Beyond the external power supply, internal wiring faults such as loose connections at the power inlet, a failing line filter, or a degraded main control board can also contribute to this fault. The diagnostic process should begin at the power source by confirming correct voltage and frequency at the wall outlet, then trace inward through the machine's power inlet and wiring harness before considering control board replacement.
Source: manufacturer service documentation.
Common causes of Er:22
- 01
Weak or unstable household power supply
Wiring / connectionLow line voltage or frequent voltage fluctuations prevent the control board from locking onto a stable AC frequency. Test the outlet voltage with a multimeter and check for other high-draw appliances on the same circuit.
- 02
Shared or overloaded circuit
Wiring / connectionRunning the washer on a circuit shared with large appliances like refrigerators or HVAC units can cause voltage sag that triggers this error. Moving the washer to a dedicated circuit may resolve it.
- 03
Loose or corroded power inlet connections
Wiring / connectionLoose wiring at the power inlet terminal or corroded contacts can introduce resistance that destabilises the voltage and frequency signal reaching the control board. Inspect and reseat all connections at the inlet.
- 04
Failing line filter
Part replacementThe line filter suppresses electrical noise on the incoming power. A degraded or failed filter can allow interference that disrupts frequency synchronisation on the control board. The filter may need replacement.
- 05
Faulty main control board
Part replacementIf the power supply is confirmed stable and all wiring connections are secure, the control board itself may have a failed frequency detection circuit. Board replacement would be required in this case.
Frequently asked questions about Er:22
What does Er:22 mean on a Vision washer?
How do I fix Er:22 on my Vision washer?
Is it safe to keep using my Vision washer when Er:22 is displayed?
Will resetting my Vision washer clear the Er:22 error?
How much does it cost to repair a Vision washer showing Er:22?
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