Press any key to change set temperature, fan speed or mode and you will see that the ability
to change these values are locked out.
To exit CONTRACTOR MODE
1. Enter SERVICE MODE
2. Press UP/DOWN arrow buttons to select Ctr “- - “
3. Press MODE button. This action displays “- “and Value.
4. Press FAN button to turn off CONTRACTOR MODE. After turning off CONTRACTOR
MODE e7w play beep sound.
5. Press the FC button twice to exit SERVICE MODE
The alert icon should clear