HVAC Sales Master

Fault Code Lookup

HVAC Sales Master
T081_F / T082_F / T084_F / T085_F / T086_F / T087_F / T088_F
Sensor fault family — Return-air sensor / supply-air sensor / outdoor-air sensor / suction-line temp thermistor / suction-pressure sensor / power-board temp sensor / EXV sensor measurement error
This code typically points to
  • Respective sensor/thermistor/transducer/measurement failure
Next checks to confirm
  1. Verify sensor connection, resistance/reading, and board interface
  2. Exact per-code trees are app-based in this family
Escalation
Sensor-fault family; exact response varies by code and system configuration
Reset behavior
Clears when sensor circuit fault is corrected.
Service Soon
Schedule repair
Deeper detail available
The manufacturer has pushed full per-code troubleshooting trees into the Rheem Contractor App (QR code on equipment). Use the app for subcode detail beyond what's shown here.
Source
Rheem RDFXYC Installation Instructions fault table. Grouped into single record because accessible booklet treats these as a sensor-family cluster without exposing per-sensor detailed trees.
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