E19
Astracast
High Inrush Current / Circuit Overload
Astracast disposal causes lights to dim or flicker noticeably when starting.
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Safety Warning
This repair may involve working with high voltage components or water connections. Always unplug the appliance before removing any panels.
If you are not confident in your ability to perform this repair safely, we strongly recommend contacting a professional technician.
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Possible Causes
Disposal and lighting on same undersized circuit, Long cable run with voltage drop, High starting current from aging Astracast motor, Loose neutral connection in circuit
How to Fix / Troubleshooting
Safety First: Turn OFF power at the breaker before inspecting electrical panels or junction boxes.
- Step 1 – Check circuit rating: Confirm the disposal is on a circuit with adequate amperage as specified in the Astracast manual (often 15–20 A).
- Step 2 – Inspect connections: Have a qualified person check for loose neutrals and hots in the consumer unit and junction boxes.
- Step 3 – Reduce shared load: Avoid running other high-load appliances on the same circuit when using the disposal.
- Step 4 – Evaluate motor condition: If dimming worsens over time, the motor may be drawing excessive current due to internal wear; replacement of the Astracast unit may be needed.
- Step 5 – Consider dedicated circuit: For best performance, install the disposal on a dedicated circuit as per local electrical codes.
Warning: Persistent flickering can indicate dangerous wiring issues; consult an electrician if unsure.
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Repair Difficulty
Hard
4/5
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