Trane Mini Split Error Codes
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Featured codes
- 2-TIME BLINK — Trane's troubleshooting table lists 2-TIME BLINK as indoor coil thermistor or room te
- UPPER LAMP 0.5-SECOND BLINK — Trane's troubleshooting table lists the continuous 0.5-second blink pattern as the ca
- 3-TIME BLINK — Trane's troubleshooting table lists 3-TIME BLINK as indoor fan motor trouble. The ser
- 4-TIME BLINK — Trane's troubleshooting table lists 4-TIME BLINK as indoor control system trouble. Th
- 5-TIME BLINK — Trane's troubleshooting table lists 5-TIME BLINK as outdoor power system abnormality.
- 6-TIME BLINK — Trane's troubleshooting table lists 6-TIME BLINK as outdoor thermistor trouble. The s
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Safe checks with an external tool or supply
These pages list the check you can do from outside the unit, with an optional external tool or maintenance supply. None of them repair an internal fault.
- 2-TIME BLINK — 2-TIME BLINK on Trane mini splits means indoor coil or room temperature thermistor trouble - the control detec…
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Manufacturer manuals
- Manufacturer manual links are being cataloged for this brand.
2 codes
- Trane 2-TIME BLINK error code
2-TIME BLINK on Trane mini splits means indoor coil or room temperature thermistor trouble - the control detected a short or open circuit in those ind…
3 codes
- Trane 3-TIME BLINK error code
3-TIME BLINK on Trane mini splits means indoor fan motor trouble - the control is not getting rotation feedback from the indoor fan while it should be…
4 codes
- Trane 4-TIME BLINK error code
4-TIME BLINK on Trane mini splits means indoor control system trouble - the indoor controller cannot read data in its nonvolatile memory, and Trane's …
5 codes
- Trane 5-TIME BLINK error code
5-TIME BLINK on Trane mini splits means outdoor power system abnormality - the compressor stopped on overcurrent or startup-failure protection three c…
6 codes
- Trane 6-TIME BLINK error code
6-TIME BLINK on Trane mini splits means outdoor thermistor trouble - an outdoor temperature sensor was detected as shorted or open while the compresso…
7 codes
- Trane 7-TIME BLINK error code
7-TIME BLINK on Trane mini splits means outdoor control system trouble - the inverter PCB or outdoor PCB cannot read data in its nonvolatile memory. P…
U codes
- Trane UPPER LAMP 0.5-SECOND BLINK error code
A continuous 0.5-second blink of the upper OPERATION INDICATOR lamp on Trane mini splits (Mitsubishi-built) means a miswiring or serial-signal error -…