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CSL Part Number: 54273
Category: Chiller Controls
Manufacturer: Trane
Manufacturer Part Number: X13650346-03 REV 3
Also Known As(AKA): AMERICAN STANDARD
Common Failures
The unit exhibited power-related issues. During evaluation, a short circuit was identified between the +12v and +5v power supplies, resulting in incorrect voltage delivery to components. This condition caused the display to show blinking characters and prevented normal operation.
Repair Approach
Repairs included replacing the +12v DC regulator to address the short circuit. An additional issue with the watchdog timer was identified during testing, which was causing system resets. These components were serviced to restore functionality.
Testing & Quality
Following repairs, the EPROMs were verified to be in serviceable condition. The unit was tested to the extent possible at our facility. Further testing by the customer may be needed to confirm full operation in the application environment, as interaction with external signals or system-level operation is beyond the scope of our module-level evaluation.
We do NOT offer repair on this item
Unfortunately, Control System Labs does NOT offer repair for the Trane part number . Here are some possible reasons:
- the parts may no longer be available
- the item may be encased in plastic epoxy
- we do not have the necessary equipment to do the repair.
Please contact the manufacturer of this part number to see if a new part number or compatible replacement is available.
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