Too Warm - Fujitsu ASUG09LZAS Service Manual

3-7. Too warm

Forecast of cause
Check point 1. Check insulation level of structure of house
Is insulation level greater than R-13?
→ If no, go to "Check Point
Check point 2. Check function setting
If insulation level is greater than R-13 set function 95 to 01.
NOTE: For details of function setting number 95, refer to
WORKING on page 05-1.
Check Point 3. Check effects of function setting change
Is the space still too warm in relation to set point?
Check Point 4. Verfity room temperature sensing location
Do you want room temperature sensed at the wired remote controller (Wired remote sensor) or by
they build in sensor inside the unit (Indoor unit sensor)?
→ If indoor unit sensor, go to
→ If wired remote sensor, go to
Check Point 5. Check the remote controller display
Is the "Thermo Sensor Icon" displayed on the screen?
→ If no, go to "Check point
3-7. Too warm
4".
↓
↓
↓
"Check Point 5".
"Check point 8".
7".
↓
- (03-43) -
House insulation setting has not been changed.
Temperature sensing location has not been changed.
Installation location of the wired remote.
Function settings have not been changed.
"Function settings " in Chapter 5. FIELD
3. Troubleshooting without error code