FDA Series Split Systems FDA Series Multi Systems
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INDEX
Evacuation procedure
1.MAINTENANCE DATA
1.1 Servicing
1Evacuation
2Refrigerant charging
1.2 Trouble shooting for refrigerant circuit
1Selfdiagnosis function aCheck Indicator Table
Diagnosing of microcomputer circuit
1 Indoor unit side
2 Outdoor unit side
Display corresponding to the error is shown
1One kind error
2More than one errors
3Timing of error detection
Indoor unit Outdoor unit
2Procedures of trouble diagnosis
Control change switch SW5, SW9, SW10
Change by the jumper wire
Function of DIP switch SW5 Usually all turned OFF
Function of DIP switch SW9 Usually all turned OFF
Control change switch SW5, SW9, SW10
Change by the jumper wire
Function of DIP switch SW5 Usually all turned OFF
Function of DIP switch SW9 Usually all turned OFF
Control change switch SW5, SW9, SW10
Change by the jumper wire
Function of DIP switch SW5 Usually all turned OFF
Function of DIP switch SW9 Usually all turned OFF
Control change switch SW5, SW9, SW10
Change by the jumper wire
Function of DIP switch SW5 Usually all turned OFF
Function of DIP switch SW9 Usually all turned OFF
Error display No display
cCheck method when the error code is display
Power supply line error
LCD display No display
Red LED
151~251
Error display “WAIT ”
Indoor unit
Outdoor unit
Error display e1
Only case of FDT
Cases of other than FDT
Error display
Error display e6
Display condition
Detective return air thermistor
Abnormal Temperature Detection
Error display
Error display
Heating overload
Control of 1 remote controller VS multiple units
Error display
Error display e16
Excessive number of units more than 17 units
Display conditions
SOnly case of FDKN Only case of 151~251 types
within a period of 1 hour
Only case of 301 type
Directive remote controller thermistor
Error display e28
board
Switch
Change by the jumper wire
Switch
Parts layout on the outdoor unit PCB
Overcurrent Setting
Change by the jumper wire
Switch
Switch
FDCVA151~251 type
Error display
Communications error during operation
Error display
Error display
Error display e35
Error display
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Discharge temperature error
Error display e36
Display conditions
pressor is stopped
Defective outdoor air temperature thermistor
Error display e38
Open phase at L3-phaseof 52C primary side
Error display
Error display
Display Conditions
DC Fan motor abnormal Only case of 151~251 type
Error display e56
Error display
Insufficient refrigerant volume
Error display e60
Error display e59
N-U, N-V, N-W Check between the P-Nterminals
1Press the CHECK button
2OUTLINE OF OPERATION CONTROL BY MICROCOMPUTER
1Remote controller aWired remote controller
27˚C
Pull the cover downward to open it
2 Setting functions using the remote controller
AUTO RUN ON
FUNCTION I/U FUNCTION
b Function setting method
When “ FUNCTION” is selected
Hi CEILING SET
I/U No.00
STANDARD
When “I/U FUNCTION ” is selected
Range of Possible Changes
bCanceling the Cooling Test Operation
3 Cooling Test Operation Procedure
aStarting the Cooling Test Operation
4 Checking Operation Data
cSetting SW5-1, SW5-2 on-site
5 Test run aTest run method
bChecking the state of the unit in operation
Error code ~
1Indication board aFDEN Series
bFDKN Series
c Wireless remote controller
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