1
48
TROUBLESHOOTING
Alarm Code
39
Abnormality of Running Current at Constant Compressor
n
”RUN” light flickers and ”ALARM” is indicated on the remote control switch.
n
The unit No., alarm code and the unit code is alternately indicated on the set temperature section, and the
unit No. and alarm code are indicated on the display of the outdoor unit PCB.
This alarm code is indicated when the following conditions occurs;
The running current of the constant compressor exceeds the value of overcurrent limitation during
operating.
The running current of the constant compressor is detected 0A and retry when 3 minutes are passed after
all compressors are stopped, and this phenomenon occurs three times within 30 minutes.
Does the CMC2 ~4 turn ON?
No
Check wiring connection around
PCB1.
Yes
Does the constant
compressor operate?
No
Check fuses and wiring between
CMC2 ~4 and constant compressor.
Yes
Is the running current
indicated on 7-Segment of
PCB1 at check mode?
No
Is the connector CN4 ~6 of
current transformer correctly
connected?
No
Connect it correctly.
Yes
Yes
Check constant compressor and
current transformer.
Remove the cause after checking.
Indication of 7-Segment
Abnormality of Constant Compressor
MC2
MC3
MC4
Содержание FS3 Series
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Страница 191: ...3 MAIN PARTS 19 3 8 CIRCUIT DIAGRAM FOR PRINTED CIRCUIT BOARD OF OUTDOOR UNIT n Control Board 1 PCB1 1 2 ...
Страница 192: ...3 20 MAIN PARTS n Control board 1 PCB1 2 2 ...
Страница 193: ...3 MAIN PARTS 21 n Fan Control Board PCB2 ...
Страница 194: ...3 22 MAIN PARTS n Inverter Board PCB3 n Snubber Board PCB5 ...
Страница 196: ...3 24 MAIN PARTS n Control Board PCB of Indoor Unit Only for RPK Model ...
Страница 197: ...3 MAIN PARTS 25 3 10 CIRCUIT DIAGRAM FOR PRINTED CIRCUIT BOARD OF REMOTE CONTROL SWITCH n PC 2H2 ...
Страница 198: ...3 26 MAIN PARTS n PC 5H ...
Страница 199: ...3 MAIN PARTS 27 3 11 CIRCUIT DIAGRAM FOR PRINTED CIRCUIT BOARD OF RECEIVER ...
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Страница 240: ...SMGB0001 06 01 Printed in Spain ...