Midea · Mini-split
Eh60 Room sensor (T1) fault
What the control is telling you
Indoor room sensor T1 open or shorted.
Applies to: DLFSHBH high wall indoor units 09-24K (Midea / Carrier / Viessmann) on DLC multi-zone or single-zone outdoor units
Likely causes
- Sensor plug loose
- Bad T1 sensor
- Bad indoor PCB
Test and repair steps
- Safety kill power at the disconnect and wait for the inverter capacitors to discharge before touching boards or wiring.
- Check the sensor plug on the board and the wire for damage.
- Unplug the sensor and measure its resistance. T1-T4 sensors read about 10 kOhm at 77 F (25 C); the discharge sensor (T5/TP) about 54.9 kOhm at 77 F. Compare with the sensor resistance tables.
- Out of range or open/shorted replace the sensor. Sensor reads fine: replace the board it plugs into.
Models that show this code
5 models in Midea DLFSHBH wall indoor (DLCM multi-zone)
Other codes on the same units
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Source: Carrier MS-DLFSHB-01 High Wall Ductless Service Manual (04/2021), Table 9 p.17, p.30. Summarized in our own words; check the original manual for your model.
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