Pelpro PPC90 - Blockage and Airflow Problems; Ignition and Startup Failure Resolution

23 06/218390-017A
AMBIENT
TEMP PROBE
BLACK WHITE PURPLE PURPLE BLUE
BLUE
WHITE
RED
BLACK BLACK
TEST POINT
AT ROOM TEMPERATURE, THE EXHAUST PROBE WILL READ AROUND 100K OHMS. AS HEAT
IS APPLIED TO THE PROBE, THE OHMS READING WILL CONTINUE TO GET SMALLER.
CODE #3: AMBIENT PROBE ALARM