Repair
Repair Price: $ 496.00
Purchase
CSL Part Number: 87371
Product Overview: The Syncro 8114053-1 is a motor control board used in Coats wheel balancers, including models 950, 1000, 1055, and 1250. It regulates motor speed and direction for tire balancing operations. The board uses SCR-based power control with optocoupler isolation and includes multiple output stages for motor drive circuits. It features protective fusing, thermal management for power semiconductors, and conformal coating for environmental protection. Key components include 1200V 55A SCRs, fast recovery diodes, and MOC3063 optocouplers with zero-crossing detection for smooth motor control.
Category: Control Board
Manufacturer: Syncro
Alternate Manufacturer Names: Coats
Manufacturer Part Number: 8114053-1
Series: Wheel Balancer Motor Controller
Also Known As(AKA): 114053
Other Synonyms: Coats
Coats Tire Machine and Wheel Balancer Control Board Coats 1250 Coats 950
Common Failures
Several common issues have been noted with this product, including non-spinning motors, failure to power up, shorted or blown SCRs and diodes, and blown fuses. These issues often result from defective components or external factors such as miswiring or shorted loads.
Repair Approach
Repairs typically involve replacing defective components like SCRs, diodes, resistors, and fuses. Damaged traces on circuit boards are repaired using wire for connections, with protective coatings applied afterward. In cases of burn or blown trace damage, additional repairs may be needed, such as reconstructing traces or reinforcing them with bus wires.
Testing & Quality
After repairs, testing is performed to verify functionality. This includes burn-in tests with various loads to simulate operation under standard conditions. When repairs are completed, the unit is tested to confirm proper operation before being returned to the customer.
Service and repair your broken Syncro part
We can repair your Syncro model 8114053-1 in our facility. Let our skilled technicians get your Syncro 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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