ONAN 300-1575 Overspeed Board
Repair
Call for price
Purchase
CSL Part Number: 104549
Product Overview: The ONAN 300-1575 is an overspeed control board designed for UV series generator control systems. It monitors generator frequency and provides shutdown protection when speed exceeds safe operating thresholds, typically around 800 Hz. This board is commonly used in standby and prime power generator sets where overspeed protection is critical for preventing mechanical damage. It interfaces with frequency sensors and control circuitry to activate protective shutdowns when abnormal speed conditions are detected.
Category: Control Board
Manufacturer: ONAN
Manufacturer Synonyms: Cummins
Manufacturer Part Number: 300-1575
Series: Series UV Generator Controls
Common Failures
Common issues reported with these generator boards include loss of output stability at lower operating frequencies. Primary symptoms may include malfunction or shutdown when output falls below approximately 800 Hz. Potential causes can include solder joint degradation or aging components such as capacitors.
Repair Approach
Our typical repair process includes cleaning and reflow of solder connections, replacement of suspect components such as tantalum capacitors, and component-level inspection. All work is performed in accordance with established repair procedures to support reliable operation.
Testing & Quality
Following repair, boards are tested under load across the specified frequency range. Units that pass functional testing are returned as serviceable. Please note that while we perform thorough evaluation and testing, we cannot guarantee that all failure modes have been addressed or that the unit will perform identically to a new board.
Service and repair your broken ONAN part
We can repair your ONAN model 300-1575 in our facility. Let our skilled technicians get your ONAN 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.
Once the user has seen at least one product this snippet will be visible.