11
+
± Í*;0%)+%)1$-),$*-%$22)%
Check code displayed in the LCD.
[Output pattern B]
Errors detected by unit other than indoor unit (outdoor unit, etc.)
Note:
0. 0
( .
+ , . ,.,((. +, (, , 0.
For description of each LED (LED1, 2, 3) provided on the indoor controller, refer to the following table.
Check code
Symptom
Remark
E9
Indoor/outdoor unit communication error (Transmitting error) (Outdoor unit)
For details, check the LED
display of the outdoor controller
board.
½J
Compressor overcurrent interruption
½»½Ô
Open/short of outdoor unit thermistors
½#
Compressor overcurrent interruption (When compressor locked)
½Ì
75*$%1'2/03/+0&,/'%30*3-)1B)%'-.%)ÊÔ¼Ï;$%H)+Ê0*&.(¶,0)*-%)(%03)%'*-
½É½+
Abnormal high pressure (63H worked)/Overheating safeguard operation
½Ö
Abnormal temperature of heat sink
½â
Outdoor unit fan safeguard stop
½À
Compressor overcurrent interruption/Abnormal of power module
½ã
Abnormality of super heat due to low discharge temperature
½¼½Ø
Abnormality such as overvoltage or voltage shortage and abnormal synchronous signal to main circuit/
Current sensor error
–
–
–
–
Others
Other errors (Refer to the technical manual for the outdoor unit.)
± =(-/).*0-,'**$-5)$B)%'-)+B%$B)%24'(-)%-/)'5$<)-)&-%.*/'&5))*B)%($%1)+%)()%-$-/)($22$;0*3-'52)-$%)1$<)-/),'.&)"
LED 1 (power for microcomputer)
Indicates whether control power is supplied. Make sure that this LED is always lit.
LED 2 (power for remote controller)
Indicates whether power is supplied to the remote controller. This LED lights only in the case of the
indoor unit which is connected to the outdoor unit refrigerant address “0”.
LED 3 (communication between indoor and outdoor units)
Indicates state of communication between the indoor and outdoor units. Make sure that this LED is
always blinking.
Symptom
Cause
Wired remote controller
LED 1, 2 (PCB in outdoor unit)
PLEASE WAIT
For about 2 min-
utes following
power-on
After LED 1, 2 are lighted, LED 2 is turned
off, then only LED 1 is lighted. (Correct
operation)
± #$%'5$.-Ì10*.-)&($22$;0*3B$;)%6$*$B)%'-0$*$(-/)
remote controller is not possible due to system start-up.
(Correct operation)
PLEASE WAIT
o
Error code
After about 2
minutes has
expired following
power-on
Only LED 1 is lighted.
o
LED 1, 2 blink.
± Ï$**),-$%($%-/)$.-+$$%.*0-@&B%$-),-0$*+)<0,)0&*$-
connected.
± µ)<)%&)$%$B)*B/'&);0%0*3($%-/)$.-+$$%.*0-@&B$;)%
terminal block (L1, L2, L3)
Display messages do not appear even
when operation switch is turned ON
(operation lamp does not light up).
Only LED 1 is lighted.
o
LED 1 blinks twice,
LED 2 blinks once.
± =*,$%%),-;0%0*35)-;))*0*+$$%'*+$.-+$$%.*0-&³0*,$%%),-
polarity of S1, S2, S3)
± µ)1$-),$*-%$22)%;0%)&/$%-
