l The self test can be initiated at any time with any resulting trouble codes. Normal operation of the system stops when self test is activated.
l To enter self test, position the blower control knob at AUTO and the Function Selector Knob in either PANEL or FLOOR.
l Then, press the COOL and OUTSIDE TEMP buttons simultaneously and press the WARM button within two seconds. The display will show a tracer segment going in a counterclockwise direction in the center of the display window during the self test.
l When the self test is completed, Trouble Codes for any fault will be displayed in the VFD Window. If no faults are found, all display segments will illuminate.
l To exit Self Test and RETAIN all Trouble Codes, press the COOL (BLUE) button.
l To exit Self Test and CLEAR all Trouble Codes, press the OUTSIDE TEMP button and then, press the WARM button.
l After exiting the Self Test, the ignition should remain ON for at least 25 seconds to allow the temperature blend door actuator to calibrate.
l During normal operation, each intermittent trouble code will be deleted after 80 ignition switch cycles