Description: Broken external temperature thermistor wire • The input voltage is above 4.5 V.
Causes: Poor contact of the humidity sensor PCB connector terminals.Defective external temperature thermistor.
Remedy: Reinsert the connector. Also check for continuity within the connector cable. If none, repair or replace the cable. Replace the humidity sensor PCB.
Code: C731
Description: Short-circuited external temperature thermistor • The input voltage is below 0.5 V.
Causes: Poor contact of the humidity sensor PCB connector terminals. Defective external temperature thermistor.
Remedy: Reinsert the connector. Also check for continuity within the connector cable. If none, repair or replace the cable. Replace the humidity sensor PCB.