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CSL Part Number: 114432
Product Overview: The Husqvarna 120785 is a power control board used in commercial or industrial vacuum systems. It regulates the switching of 240VAC power to the vacuum motor based on low-voltage control signals. The board features a microcontroller, relay-based power switching, and protective components including zener diodes for voltage regulation. Control is typically provided via 5VDC signals through dedicated connectors, allowing integration with automated systems or remote operation panels in commercial cleaning equipment.
Category: Power Controls
Manufacturer: Husqvarna
Manufacturer Part Number: 120785
Please include vacuum model & serial when requesting an RMA.
Common Failures
Common issues reported with this vacuum circuit board include failure to power on, visible damage such as burn spots or blown traces, and failed components. Cold solder joints have also been identified as a recurring issue.
Repair Approach
Repairs may involve replacing defective components and repairing damaged traces. Reflowing solder joints is a common step to ensure proper connection and function. The specific repair approach depends on the findings during evaluation.
Testing & Quality
After repairs, the board is subjected to diagnostic testing to verify function. Extended testing under operating conditions helps confirm reliability. Testing is performed to the extent possible based on available documentation and equipment.
Service and repair your broken Husqvarna part
We can repair your Husqvarna model 120785 in our facility. Let our skilled technicians get your Husqvarna back in operation quickly.
Step 1 - Click the green 'Repair Now' button above to add the part and then complete the RMA.
Step 2 - The RMA form will be sent to you via email. Print the RMA form and put it in a box with the item(s) for repair.
Step 3 - Ship or mail the box to the address listed on the RMA.
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