If the unit cannot be operated properly after test run, refer to the following table to find the cause.
Symptom
Cause
Wired remote controller LED 1, 2 (PCB in outdoor unit)
PLEASE WAIT
PLEASE WAIT
ĺ Check code
Display messages do not
appear even when operation
switch is turned ON (operation
lamp does not light up).
For about 2
minutes after
power-on
Subsequent to
about 2 minutes
after power-on
After LED 1, 2 are lighted, LED 2 is
turned off, then only LED 1 is
Only LED 1 is lighted.
ĺ
LED 1, 2 blink.
Only LED 1 is lighted.
ĺ
LED 1 blinks twice,
LED 2 blinks once.
For about 2 minutes following power-on,op-
eration of the remote controller is not possible
due to system start-up. (Correct operation)
Connector for the outdoor unit’s protection
device is not connected.
Reverse or open phase wiring for the outdoor
unit’s power terminal block (L1, L2, L3)
Incorrect wiring between FTC and outdoor
(incorrect polarity of S1, S2, S3)
Remote controller wire short
Note: Operation is not possible for about 30 seconds after cancellation of function selection. (Correct operation)
For description of each LED (LED1, 2, 3) provided on the FTC, refer to the following table.
LED1 (power for microprocessor) Indicates whether control power is supplied. Make sure that this LED is always lit.
LED2 (power for remote controller) Indicates whether power is supplied to the remote controller.
This LED lights only in the case of the FTC which is connected to the outdoor unit
refrigerant addresses “0”.
LED3 (communication between FTC and outdoor units) Indicates state of communication between the FTC and outdoor units.
Make sure that this LED is always blinking.
lighted.
(Correct operation)
Phenomena Countermeasure
$ÀRZLQJZDWHUVRXQGRURFFDVLRQDOKLVVLQJVRXQGLVKHDUG
Ŷ
7KHVHVRXQGVFDQEHKHDUGZKHQUHIULJHUDQWDQGRUZDWHULVDUHÀRZLQJ
LQWKHLQGRRUXQLWRUUHIULJHUDQWSLSHRUZKHQWKHUHIULJHUDQWDQGRUZDWHU
LVDUHFKXJJLQJ
:DWHUGRHVQRWKHDWRUFRROZHOO
Ŷ
&OHDQWKHILOWHURIZDWHUSLSLQJ)ORZLVUHGXFHGZKHQWKHILOWHULVGLUW\RU
FORJJHG
Ŷ
&KHFNWKHWHPSHUDWXUHDGMXVWPHQWDQGDGMXVWWKHVHWWHPSHUDWXUH
Ŷ
0DNHVXUHWKDWWKHUHLVSOHQW\RIVSDFHDURXQGWKHRXWGRRUXQLW
:DWHURUYDSRXULVHPLWWHGIURPWKHRXWGRRUXQLW
Ŷ
'XULQJFRROLQJPRGHZDWHUPD\IRUPDQGGULSIURPWKHFRROSLSHVDQGMRLQWV
Ŷ
'XULQJKHDWLQJPRGHZDWHUPD\IRUPDQGGULSIURPWKHKHDWH[FKDQJHU
RIRXWGRRUXQLW
Ŷ
'XULQJGHIURVWLQJPRGHZDWHURQWKHKHDWH[FKDQJHURIRXWGRRUXQLW
HYDSRUDWHVDQGZDWHUYDSRXUPD\EHHPLWWHG
7KHRSHUDWLRQLQGLFDWRUGRHVQRWDSSHDULQWKHUHPRWHFRQWURO
OHUGLVSOD\
Ŷ
7XUQRQWKHSRZHUVZLWFK³
´ZLOODSSHDULQWKHUHPRWHFRQWUROOHUGLV
SOD\
³
´DSSHDUVLQWKHUHPRWHFRQWUROOHUGLVSOD\
Ŷ
'XULQJH[WHUQDOVLJQDOFRQWURO³´DSSHDUVLQWKHUHPRWHFRQWUROOHUGLV
SOD\DQG)7&RSHUDWLRQFDQQRWEHVWDUWHGRUVWRSSHGXVLQJWKHUHPRWH
FRQWUROOHU
:KHQUHVWDUWLQJWKHRXWGRRUXQLWVRRQDIWHUVWRSSLQJLWLWGRHV
QRWRSHUDWHHYHQWKRXJKWKH212))EXWWRQLVSUHVVHG
Ŷ
:DLWDSSUR[LPDWHO\PLQXWHV2SHUDWLRQKDVVWRSSHGWRSURWHFWWKHRXW
GRRUXQLW
)7&RSHUDWHVZLWKRXWWKH212))EXWWRQEHLQJSUHVVHG
Ŷ
,VWKHRQWLPHUVHW"
3UHVVWKH212))EXWWRQWRVWRSRSHUDWLRQ
Ŷ
,VWKH)7&FRQQHFWHGWRDH[WHUQDOVLJQDO"
&RQVXOWWKHFRQFHUQHGSHRSOHZKRFRQWUROWKH)7&
Ŷ
'RHV³
´DSSHDULQWKHUHPRWHFRQWUROOHUGLVSOD\"
&RQVXOWWKHFRQFHUQHGSHRSOHZKRFRQWUROWKH)7&
Ŷ
+DVWKHDXWRUHFRYHU\IHDWXUHIURPSRZHUIDLOXUHVEHHQVHW"
3UHVVWKH212))EXWWRQWRVWRSRSHUDWLRQ
)7&VWRSVZLWKRXWWKH212))EXWWRQEHLQJSUHVVHG
Ŷ
,VWKHRIIWLPHUVHW"
3UHVVWKH212))EXWWRQWRUHVWDUWRSHUDWLRQ
Ŷ
,VWKH)7&FRQQHFWHGWRDFHQWUDOUHPRWHFRQWUROOHU"
&RQVXOWWKHFRQFHUQHGSHRSOHZKRFRQWUROWKH)7&
Ŷ
'RHV³
´DSSHDULQWKHUHPRWHFRQWUROOHUGLVSOD\"
&RQVXOWWKHFRQFHUQHGSHRSOHZKRFRQWUROWKH)7&
5HPRWHFRQWUROOHUWLPHURSHUDWLRQFDQQRWEHVHW
Ŷ
$UHWLPHUVHWWLQJVLQYDOLG"
,IWKHWLPHUFDQEHVHW
WEEKLY
SIMPLE
RU
AUTO OFF
DSSHDUVLQWKH
UHPRWHFRQWUROOHUGLVSOD\
³3/($6(:$,7´DSSHDUVLQWKHUHPRWHFRQWUROOHUGLVSOD\
Ŷ
7KHLQLWLDOVHWWLQJVDUHEHLQJSHUIRUPHG:DLWDSSUR[LPDWHO\PLQXWHV
Ŷ
,IWKHUHPRWHFRQWUROOHULVQRWRQO\IRU)7&FKDQJHLW
$FKHFNFRGHDSSHDUVLQWKHUHPRWHFRQWUROOHUGLVSOD\
Ŷ
7KHSURWHFWLRQGHYLFHVKDYHRSHUDWHGWRSURWHFWWKH)7&DQGRXWGRRUXQLW
Ŷ
'RQRWDWWHPSWWRUHSDLUWKLVHTXLSPHQWE\\RXUVHOI
7XUQRIIWKHSRZHUVZLWFKLPPHGLDWHO\DQGFRQVXOW\RXUGHDOHU%HVXUHWR
SURYLGHWKHGHDOHUZLWKWKHPRGHOQDPHDQGLQIRUPDWLRQWKDWDSSHDUHGLQ
WKHUHPRWHFRQWUROOHUGLVSOD\
3$&,)%(RQO\
To Next Page
Loading...
