Fujitsu R410A, Service Instruction

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02-32
Trouble shooting 30
Too Cool
:
NO
YES
OK
YES
NO
Setting Description Function Number
Setting Value
Standard insulation
95
00
01 High insulation
Setting Description Function Number
Standard setting
+1°F (+0.5°C)
+2°F (+1.0°C)
+4°F (+2.0°C)
+3°F (+1.5°C)
+5°F (+2.5°C)
+6°F (+3.0°C)
+7°F (+3.5°C)
+8°F (+4.0°C)
No correction 0.0°F (0.0°C)
00
01
10
11
12
13
14
15
16
17
30
(For cooling)
Less
Cooling
※
Is insulation level greater than R-13.
Forecast of Cause
Test 1 : Check insulation level of structure of house Test 1-1 : Check Function Setting
If insulation level is greater than R-13
set function 95 to 01.
Ref.)
Please reference the APPENDING DATA
※
Please reference the APPENDING DATA
Using the table on the right adjust function 30.
(Room Temperature Control for indoor unit sensor)
Ref.)
Test 4 : Check Function Settings
Test 3 : Check the remote controller display
Test 2 : Verity room temperature sensing location
“Indoor unit sensor”
“Wired remote sensor”
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).
Test 1-2 : Check effects of Function Setting change
Is the space still too warm in relation to set point.
Too cool
TO NEXT PAGE
Is the "Thermo Sensor Icon" displayed
on the screen?
Test 3-1 : Check the remote controller
Hold down the THERMO SENSOR button until the
thermo sensor icon is turned off.
1. House insulation setting has not been changed.
2. Temperature sensing location has not been changed.
3. Installation location of the wired remote.
4. Function settings have not been changed.
Too cool
Setting Value