Beckman Optima Ultracentrifuge TLX-120K Temp Sensor Calibration Error - Details

$2,690.00As-is no return

Condition: For parts
Brand: Beckman
MPN: Optima Ultracentrifuge TLX-120K
SKU: GID_2748
Availability: 1 in stock

Item description

The OEM will not support us to fix the problem therefore we are selling the unit for parts only.

Here is what we know about the system;

System had a gross leak in the bellows. Bellows was replaced, vacuum system is tight and reached vacuum better than 1E-4 Torr.
Oil changed in the mechanical, diffusion pumps and drive motor.
Temperature field on the display show 2 dashes, error log message is "Out of range".
No other error messages.
Temperature sensor and the corresponding circuitry are tested OK, sensor signal traced to the microprocessor on the right, A/D input pin.
Peltier coolers and their circuitry are OK.
Temperature sensor calibration sequence Code = “Enter 100 Enter” does not initiate calibration.
Without temperature reading, the system will not reach ready state. Beckman will not support us to rectify the problem.

For Parts

Inventory intended for repair, parts harvesting, or non-working use cases.

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