Specifications
878
FDC-HKX
d) Recording and reset of error
Notes (1) Priority is in the order of E1 > ... > E10 > ... > 45.
(2) Reset is disabled for 45min. at the error of outdoor unit or compressor overcurrent or the discharge gas temperature error.
e) Reset of error code in memory (when the error has been reset.)
Indoor unit: Press the Timer switch and the Stop switch while the Inspection switch of wired remote controller is held down
or detach the power supply connector (CnW
2) of indoor unit PCB and connect again or turn OFF the power.
Outdoor unit: Detach the power supply connector (CNA
2) of outdoor unit PCB and connect again or turn OFF the power
supply or turn on and off the SW3-1.
4) Indications with 7-segement indicator
Following data are indicated by changing the setting of selector switches.
(2) Procedures of trouble diagnosis
When any error occurs, inspect in following sequence. Detailed explanation on each step is given later in this text.
Note (1) It means the operation to turn off the power and back on again more than 1 min. later in order to reset the malfunction of microcomputer due to the
effect of power supply conditions or accidental noise.
Error display Memory Reset
Error code
Indoor unit inspection lamp
(red)
• Saves in memory the mode
(1)
of higher
priority
• Stop the unit operation by pressing the ON/OFF switch of remote
controller.
• Operation can be started again if the error has been reset.
(2)
• Saves in memory the mode
(1)
of higher
priority
• Cannot save in memory
Outdoor unit inspection lamp
(red)
SW-4
0
Inverter operation frequency or error code Normally frequency (Hz) is indicated.
When it is abnormal E?? is indicated.
[L] is indicated when the temperature is -26°C or below and the actual
temperature is indicated when it is higher than -26°C and up to 73°C.
[L] is indicated when the temperature is -21°C or below and the actual
temperature is indicated when it is higher than -21°C and up to 43°C.
[L] is indicated when the temperature is 6°C or below and the actual
temperature is indicated when it is higher than 6°C and up to 80°C.
[L] is indicated when the temperature is 30°C or below and the actual
temperature is indicated when it is higher than 30°C and up to 136°C.
[L] is indicated when the temperature is 30°C or below and the actual
temperature is indicated when it is higher than 30°C and up to 136°C. No
indication for 140 type.
Indicates 0 to 47A.
Indicates 0 to 16 units.
Indicates frequency [Hz].
Channels 0 ~ 14 are indicated sequencially as follows.
CXX : Channel indication for 1 second.
XXX : Data indication for 3 seconds.
Indicates 0 to 40A. (No indication for 140 type)
0 : OFF 1 : ON
0 : Close 1 : Open
0 : Open 1 : Close
0 : OFF 1 : ON (No indication for 140 type)
Heat exchanger temperature
Outdoor temperature
Dome lower (CM
1
) temperature
Discharge pipe (CM
1
) temperature
CT (CM
1
) current
CT (CM
2
) current
63H
1
63H
2
SV1
Number of connected indoor units
Indicates 0 ~ 14 orderly
Compressor operation Hz (full load convertion value) Fk
SV2
Discharge pipe (CM
2
) temperature
1
2
3
4
5
6
7
8
9
10
11
13
14
15
Indication data Description
Error Power supply reset
(1)
Check of inspection display [In-
door/outdoor unit PCB, remote
controller or Indication board]
Check of inspection display [In-
door/outdoor unit PCB, remote
controller or Indication board]
Power supply check
(indoor/outdoor unit)
Replacement or repair of defective
parts Test run/adjustment
Check of unit
controller