Repair
Repair Price: $ 712.00
Purchase
CSL Part Number: 51367
Product Overview: The Alpha 500 Control Interface Card is a processor-based interface board used in Harrison Alpha paper processing equipment. It features dual voltage regulation (24V and 5V), optically isolated inputs, dual relay outputs (24VDC), a 7-segment display, tactile switches, and status LEDs. The board provides signal conditioning and control interfacing between paper machine sensors, actuators, and the main control system. It includes UVEPROM for program storage and multiple connector ports for I/O integration.
Category: Interface Card / Module
Manufacturer: Harrison Alpha
Manufacturer Part Number: A826-1645A
Also Known As(AKA): PCB271 ON BOARD
Can only repair blown parts, without a run test / no warranty on this board.
Common Failures
Common issues observed with this product include worn keypads, damaged resistors, and failed optocouplers. These failures are typically caused by component wear or damage from external sources.
Repair Approach
Repairs typically involve replacing defective components such as keypads, resistors, and optocouplers. During evaluation, components showing signs of stress or discoloration may be replaced as part of the repair process. Diagnostic testing is performed to verify proper operation of replaced components, including relay contacts and LED indicators.
Testing & Quality
The repair process includes component-level testing to confirm functionality of replaced parts. Additional tests may include display test sequences and verification of relay and regulator operation. CSL performs module-level testing appropriate to the unit. System-level testing and integration verification remain the customer's responsibility. All repairs are subject to a multi-stage inspection process.
Limited Repair
The Harrison Alpha 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 Harrison Alpha 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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