# Temperature and Humidity Sensor Before Parts Replacement

#Procedure

1. Start service support mode. (Starting Service Support Mode)
2. Select [05 Adjustment for Replacement Parts].
   
3. Select [501 Main Unit].
   
4. Select [50103 Electric Parts].
   
5. Select [5010302 Temperature and Humidity Sensor].
   
6. Select [Before Parts Replacement].
   
7. Press [Start].
   
8. Turn OFF the product power when the following screen is displayed.
   When the power of the product is turned on, the product starts in service support mode, and the “After replacement” screen of the temperature and humidity sensor is displayed.