Fujitsu ASU18RLB Service Instructions Manual page 54

"Wired remote sensor"
Check Point 3 : Check the remote controller display
Is the "Thermo Sensor Icon" displayed on the screen?
Check Point 4 : Check the Function Setting
Is function 48 (Room temperature sensor switching)
set to 01?
Check Point 5 : Location of the remote controller
Is the mounting location of the wired remote
controller affecting the temperature sensing?
(Sunlight on the remote, heat source next to the remote)
Check Point 6 : Check Function Setting
Using the table on the right adjust temeprature correction
by changing function setting 93.
(Room Temperature control for wired remote controller sensor)
※ Please reference the APPENDING DATA
YES
Too warm
YES
Too warm
NO
Check Point 3-1 : Check Function Setting
Is function 42 (Indoor room temperature sensor
switching function) set to 01?
NO Ref.)
Function Number Setting Va lue
42
※
Please reference the APPENDING DATA
Check Point 3-2 : Check the remote controller
Press and hold down the THERMO SENSOR button
to turn on the icon.
Check Point 4-1 : Check the Function Setting
NO
Change setting of function 48
(Room temperature sensor switching) to 01.
Ref.)
Function Number Setting Value
48
※
Please reference the APPENDING DATA
Check Point 4-2 : Check the effects of Function
Did this function setting improve temperature control?
YES
Check Point 5-1 : Location of the remote controller
Move the remote controller.
Ref.)
Function Number Setting Value
93
(For
heating)
02-30
Setting Description
00 Indoor unit
01 Both
OK
Setting Description
00 Both
Wired remote controller
01
OK
Setting change
Too warm
Setting Description
00 No correction 0.0°F (0.0°C)
No correction 0.0°F (0.0°C)
01
02
-1°F (-0.5°C)
-2°F (-1.0°C)
03
04 -3°F (-1.5°C)
05 -4°F (-2.0°C)
Heating
06
-5°F (-2.5°C)
-6°F (-3.0°C)
07
-7°F (-3.5°C)
08
-8°F (-4.0°C)
09
Less