Fujitsu ASU18RLF Service Instructions Manual page 88

"Wired remote sensor"
Test 3 : Check the remote controller display
Is the "Thermo Sensor Icon" displayed on the screen?
YES
Test 4 : Check the Function Setting
Is function 48 (Room temperature sensor switching)
set to 01?
YES
Test 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)
NO
Test 6 : Check Function Setting
Using the table on the right adjust temperature correction
by changing function setting 92.
(Room Temperature control for wired remote controller sensor)
※
Please reference the APPENDING DATA
Is function 42 (Indoor room temperature sensor
NO switching function) set to 01?
Ref.)
※
Test 3-2 : Check the remote controller
Too cool
Press and hold down the THERMO SENSOR
button to turn on the icon.
Test 4-1 : Check the Function Setting
NO
Change setting of function 48
(Room temperature sensor switching) to 01.
Ref.)
※
Too cool
Test 4-2 : Check the effects of Function
Did this function setting improve temperature control?
YES
Ref.)
Function Number Setting Value
92
(For cooling)
02-48
Test 3-1 : Check Function Setting
Function Number Setting Va lue Setting Description
00 Indoor unit
42
01
Please reference the APPENDING DATA
OK
Function Number Setting Value Setting Description
00
48
Wired remote controller
01
Please reference the APPENDING DATA
OK
Setting change
Test 5-1 : Location of the remote controller
Move the remote controller.
Too cool
Setting Description
00
No correction 0.0°F (0.0°C)
No correction 0.0°F (0.0°C)
01
10
+1°F (+0.5°C)
11 +2°F (+1.0°C)
12 +3°F (+1.5°C)
13
+4°F (+2.0°C)
14 +5°F (+2.5°C)
+6°F (+3.0°C)
15
+7°F (+3.5°C)
16
17 +8°F (+4.0°C)
Both
Both
Less
Cooling