Cleveland Machine Controls M622R 0.5HP to 2 HP 230V DC Drive
Repair
Repair Price: $ 772.00
Purchase
CSL Part Number: 30440
Product Overview: The Cleveland Machine Controls M622R is a 622 Series DC motor drive rated for 0.5 to 2 horsepower applications at 230V DC. It controls the speed and operation of DC motors in industrial machinery through SCR-based power conversion. The drive provides adjustable motor speed with forward and reverse capabilities, commonly used in machine tool applications, conveyors, and other variable-speed DC motor equipment. It features analog speed control and operates from single-phase AC input to deliver regulated DC output voltage for motor control.
Category: DC Motor Controls
Manufacturer: Cleveland Machine Controls
Manufacturer Synonyms: CMC
Manufacturer Part Number: M622R
Series: 622 Series DC Drive
Common Failures
Several issues have been identified with this product, including no voltage output to the motor, defective electrolytic capacitors with either high ESR or being open, a shorted SCR, and defective solder joints. Additionally, faulty APR relays and potential issues with components after the transformer were noted.
Repair Approach
Repairs involved replacing defective capacitors and SCRs, and addressing solder joint issues. Diagnostic testing was performed to clean and evaluate the APR relay, and further analysis was conducted to trace any remaining circuit faults.
Testing & Quality
The product underwent comprehensive testing, including a burn-in test with a motor running over 4 hours with multiple directional changes to verify speed control functionality. Testing was performed by a qualified technician.
Service and repair your broken Cleveland Machine Controls part
We can repair your Cleveland Machine Controls model M622R in our facility. Let our skilled technicians get your Cleveland Machine 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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