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CSL Part Number: 86426
Product Overview: The Toshiba AS85A is a servo drive amplifier designed to control servo motors in industrial motion control applications. It features a bus voltage circuit with multiple large electrolytic capacitors (330uF 450V) and a 100A fast-acting main fuse for power handling. The drive includes relay-controlled outputs and operates at high power levels suitable for demanding industrial equipment. Commonly found in paper processing machinery and other precision positioning systems, it provides precise motor control through analog or digital command signals. The unit uses snap-in radial capacitors in its power stage and smaller electrolytics in control circuits.
Category: Servo Controls
Manufacturer: Toshiba
Manufacturer Part Number: AS85A
Common Failures
This product may experience issues such as internal fuse failure, capacitor deterioration, or output circuit problems. Root causes are determined through evaluation and testing.
Repair Approach
Repairs typically involve replacement of failed components such as capacitors and fuses as identified during evaluation. Additional preventative component replacement may be performed based on findings. Cleaning and protective coating applications may also be carried out when appropriate.
Testing & Quality
After repairs are completed, the unit undergoes functional testing to verify proper operation. Testing may include diagnostic checks and extended run-time evaluation. All repairs are reviewed for quality assurance before return to the customer.
Limited Repair
The Toshiba part number is only available as a limited repair at our facility. Repairs to this item may be limited due to several reasons:
- Availability of parts
- Less than 100% test ability due to required support equipment
To have us attempt a repair on your Toshiba part follow these steps:
Step 1 -
Click the Repair Now button above to add the part and complete the RMA form.
Step 2 -
Print the RMA form that is sent to your email, and put it in the box with the parts for repair.
Step 3 -
Mail the box to the address on the RMA.
After we receive your item, we will perform an inspection and an authorization to repair will be sent for your approval. Work will begin after your authorization is received.
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