P5-7 Carrier Controller Pre-trip Test Codes

P5 Tests - Air Stream Sensor Tests: Tests the validity of the Air Stream Sensors.

P5-7 Primary .vs Secondary Evaporator Temperature Sensor Test
This is a Pass/Fail test of the primary evaporator temperature sensor (ETS1) and secondary evaporator temperature sensor (ETS2). Test passes if secondary evaporator temperature sensor (ETS2) is within +/- 0.5 C of the primary evaporator temperature