Carrier 40MAQ Series - Open Circuit or Short Circuit of Temperature Sensor Diagnosis and Solution (E5)

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Open circuit or short circuit of temperature sensor diagnosis and solution (E5)
Error Code E5
Malfunction decision conditions If the sampling voltage is lower than 0.06V or higher than 4.94V, the LED will display the failure.
Supposed Causes
S Wiring mistake
S Sensor faulty
Troubleshooting: