Description
Chroma 63306A Load Module Repair and Calibration
The Chroma 63306A Load Module is a DC electronic load module. It plugs into a Chroma load mainframe and sinks programmable current, voltage, resistance or power from the device under test. A module that drifts or drops out takes a channel of the test system with it.
June Company repairs and calibrates the Chroma 63306A Load Module for power-supply and battery test labs, production test departments, and design engineers. Every instrument is repaired at component level and verified against reference standards before it ships back, with the measured results documented.
Common Chroma 63306A Load Module problems we fix
- Module not recognized by the mainframe.
- Load current not reaching setpoint or unstable.
- Constant-voltage, resistance or power modes out of regulation.
- Voltage or current readback out of tolerance.
- MOSFET sink-stage failure.
- Overpower or overtemperature protection tripping early.
- Display, keypad or front-panel faults.
- GPIB, LAN, USB or remote-control faults – which breaks automated test sequences while the instrument still works from the front panel.
FAQs
Do you need the mainframe as well? Not usually. We have the means to run and calibrate the module on its own, and we will tell you if a fault points to the chassis.
What if it is not economical to repair? We tell you in the quote, and you decide whether to go ahead.
Every repair carries a 90-day parts-and-labor warranty, with a firm quote before any work begins. Email us or submit a service request.
Related Chroma repairs
We service 245 Chroma instruments. See all Electronic Load Repair.




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