- Event: Internal communication error of the outdoor unit control board.
Outdoor unit display: E205 - This is Usually seen when the Factory jumper is not installed back at CN31 On the Inverter board after it has been replaced.
- If the unit has two compressors it will connect to CN31 On the top Inverter #2 .
- If the unit only is a single compressor it will connect to the single inverter module at CN31.
- E205-U200 is the Main unit.
- E205-U201 is the first sub unit.
- E205-U202 is the second sub unit.
- These are determined by the Dip switches for Gen 1 and programmed in Gen 2 units.
- Gen 2
- Gen 1
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- Trane Part number if lost or needs to be replaced .
WIR07708 5 1 WIRE; WIRE; ASSY, CONNECTOR-INVERTER SHOR, DVM I