Repair
Repair Price: $ 788.00
Purchase
CSL Part Number: 25505
Product Overview: The Andover Controls AC256 PLUS is a multi-output switching power supply designed for building automation and HVAC control systems. It provides seven DC voltage outputs: 2.5V, 5V, 9V, -9V, 15V, -15V, and dual 24V channels, suitable for powering controllers, sensors, and actuators in commercial building management applications. The unit includes integrated battery backup capability to maintain critical control functions during power interruptions. It accepts standard AC input and is typically used in Andover Continuum control systems and related building automation equipment.
Category: Power Supply
Manufacturer: Andover Controls
Manufacturer Part Number: AC256 PLUS
Series: AC256 Power Supply
Power supplies are tested with a minimum 4-hour burn-in, under load.
Common Failures
The most frequent issue reported for these units is related to power supply malfunctions, often caused by aged or defective electrolytic capacitors. Symptoms can include variances in voltage output such as low or fluctuating voltage under load conditions. In some cases, the power supply requires a full rebuild to restore functionality.
Repair Approach
Repairs typically involve diagnostic testing and preventative maintenance. This includes replacing capacitors to address reliability and aging-related issues. Where defective components are identified, they are replaced to stabilize output performance. Extensive cleaning is also performed, and partial schematics may be created to support diagnosis of specific faults.
Testing & Quality
Each unit undergoes comprehensive testing, including resistive load tests to verify voltage output across multiple channels. A burn-in test with load is also conducted to evaluate the durability of the repair work. Units are subject to stringent quality checks before completion.
Service and repair your broken Andover Controls part
We can repair your Andover Controls model AC256 PLUS in our facility. Let our skilled technicians get your Andover Controls 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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