17
7. Test run
>2XWSXWSDWWHUQ%@ (UURUVGHWHFWHGE\XQLWRWKHUWKDQLQGRRUXQLWRXWGRRUXQLWHWF
Wireless remote controller
Wired remote
controller
Symptom
Remark
Beeper sounds/OPERATION
INDICATOR lamp blinks
1XPEHURIWLPHV
Check code
1
E9
,QGRRURXWGRRUXQLWFRPPXQLFDWLRQHUURU7UDQVPLWWLQJHUURU2XWGRRUXQLW
For details, check the LED
display of the outdoor controller
board.
2
UP
Compressor overcurrent interruption
3
U3, U4
Open/short of outdoor unit thermistors
4
UF
&RPSUHVVRURYHUFXUUHQWLQWHUUXSWLRQ:KHQFRPSUHVVRUORFNHG
5
U2
$EQRUPDOKLJKGLVFKDUJLQJWHPSHUDWXUH&ZRUNHGLQVXI¿FLHQWUHIULJHUDQW
6
U1, Ud
$EQRUPDOKLJKSZRUNHG2YHUKHDWLQJSURWHFWLRQRSHUDWLRQ
7
U5
Abnormal temperature of heat sink
8
U8
Outdoor unit fan protection stop
9
U6
Compressor overcurrent interruption/Abnormal of power module
10
U7
Abnormality of super heat due to low discharge temperature
11
U9, UH
Abnormality such as overvoltage or voltage shortage and abnormal
synchronous signal to main circuit/Current sensor error
12
—
—
13
—
—
14
Others
2WKHUHUURUV5HIHUWRWKHWHFKQLFDOPDQXDOIRUWKHRXWGRRUXQLW
,IWKHEHHSHUGRHVQRWVRXQGDJDLQDIWHUWKHLQLWLDOEHHSVWRFRQ¿UPWKHVHOIFKHFNVWDUWVLJQDOZDVUHFHLYHGDQGWKH23(5$7,21,1',&$725ODPSGRHV
not come on, there are no error records.
,IWKHEHHSHUVRXQGVWLPHVFRQWLQXRXVO\³EHHSEHHSEHHSVHF´DIWHUWKHLQLWLDOEHHSVWRFRQ¿UPWKHVHOIFKHFNVWDUWVLJQDOZDVUHFHLYHG
WKHVSHFL¿HGUHIULJHUDQWDGGUHVVLVLQFRUUHFW
2QZLUHOHVVUHPRWHFRQWUROOHU
The continuous buzzer sounds from receiving section of indoor unit.
Blink of operation lamp
2QZLUHGUHPRWHFRQWUROOHU
Check code displayed in the LCD.
,IWKHXQLWFDQQRWEHRSHUDWHGSURSHUO\DIWHUWHVWUXQUHIHUWRWKHIROORZLQJWDEOHWR¿QGWKHFDXVH
Symptom
Cause
Wired remote controller
/('3&%LQRXWGRRUXQLW
PLEASE WAIT
For about 2 minutes
after power-on
After LED 1, 2 are lit, LED 2 is turned off,
WKHQRQO\/('LVOLW&RUUHFWRSHUDWLRQ
)RUDERXWPLQXWHVDIWHUSRZHURQRSHUDWLRQRIWKHUHPRWH
controller is not possible due to system start-up. (Correct
RSHUDWLRQ
3/($6(:$,7ĺ(UURUFRGH
Subsequent to about
2 minutes after
power-on
Only LED 1 is lit.
ĺ
LED 1, 2 blink.
&RQQHFWRUIRUWKHRXWGRRUXQLW¶VSURWHFWLRQGHYLFHLVQRWFRQ
-
nected.
Reverse or open phase wiring for the outdoor unit’s power
WHUPLQDOEORFN///
Display messages do not appear
even when operation switch is
turned ON
RSHUDWLRQODPSGRHVQRWOLJKWXS
Only LED 1 is lit.
ĺ
LED 1 blinks twice,
LED 2 blinks once.
,QFRUUHFWZLULQJEHWZHHQLQGRRUDQGRXWGRRUXQLWVLQFRUUHFW
SRODULW\RI666
5HPRWHFRQWUROOHUZLUHVKRUW
On the wireless remote controller with condition above, following phenomena take place.
1RVLJQDOVIURPWKHUHPRWHFRQWUROOHUDUHDFFHSWHG
2SHUDWLRQODPSLVEOLQNLQJ
7KHEX]]HUPDNHVDVKRUWSLQJVRXQG
Note:
2SHUDWLRQLVQRWSRVVLEOHIRUDERXWVHFRQGVDIWHUFDQFHOODWLRQRIIXQFWLRQVHOHFWLRQ&RUUHFWRSHUDWLRQ
)RUGHVFULSWLRQRIHDFK/('/('SURYLGHGRQWKHLQGRRUFRQWUROOHUUHIHUWRWKHIROORZLQJWDEOH
/('SRZHUIRUPLFURFRPSXWHU
Indicates whether control power is supplied. Make sure that this LED is always lit.
/('SRZHUIRUUHPRWHFRQWUROOHU
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”.
/('FRPPXQLFDWLRQEHWZHHQLQGRRUDQGRXWGRRUXQLWV
Indicates state of communication between the indoor and outdoor units. Make sure that this LED
is always blinking.
