02003
Carrier Transicold
Critical
Display Module Error
Communication failure or internal error in the display module.
Possible causes
- Loose or damaged communication cable (CAN bus)
- Defective display module
- Low voltage in the control circuit
Recommended actions
- Check cable connection between display and micro
- Verify supply voltages to the display
- Test with a known good display module
- Inspect data bus terminators
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