Control System Labs repairs Haas power supply boards and brushless servo amplifier modules in Buffalo. The repair page for the Haas 65-4075G power supply board lists a $580 repair price. Its page for the Haas 65-4015H brushless servo amplifier module lists $844.
Scorched or failed parts on the 65-4075G board such as fuse holders and neon lamps get cleaned or replaced as needed. The 65-4075G repair goes through several levels of testing such as DMM voltage checks. Burn-in tests without load check the board's overall performance. Work starts only after the customer approves a repair authorization sent by email.