![background image](http://html.mh-extra.com/html/york/gwh12tb-s3dna1b-i/gwh12tb-s3dna1b-i_service-manual_912521064.webp)
6TQWDNGUJQQVKPI
3)& FRUUHFWLRQ IRU SRZHU IDFWRU PDOIXQFWLRQ RXWGRRU XQLW PDOIXQFWLRQ $3 EHORZ LV FRQWURO ERDUG RI RXWGRRU
XQLW
0DLQGHWHFWLRQSRLQW
Ɣ&KHFNLIUHDFWRU/RIRXWGRRUXQLWDQG3)&FDSDFLW\DUHGDPDJHG
0DOIXQFWLRQGLDJQRVLVSURFHVV
Start
If the resistance
value is 0
Remove PFC capacity
and test resistance of
two terminals
Capacity is
short
circuit and
replace it
Y
Re-energize
the unit and
start it
Cut the terminal of reactor,
test the resistance
between two terminals of
reactor with ohmic meter
Replace the
reactor
Re-
energize
the unit and
start it
Check the
connection wire
of reactor (L) of
outdoor unit and
PFC capacity
If there is damaged
short circuit
Replace
connection
wire with circuit
diagram
Replace
control board
AP1
Y
N
N
Y
N
N
N
N
If there is damaged
short circuit
If the malfunction is
removed?
If the malfunction is
removed?
If the malfunction is
removed?
Y
Y
Y
End
Summary of Contents for GWH12TB-S3DNA1B/I
Page 12: ...QPUVTWEVKQP 8KGYU 8QLW PP 4 5 6 0RGHO 3DQHO 0RGHOV 4 5 6 YWHJXH009BAMK FX YWHJXH012BAMK FX...
Page 13: ...QPUVTWEVKQP 8KGYU 2XWGRRU 8QLW 8QLW PP 8QLW PP 0RGHOV YWHJYH009BAMKA X 0RGHOV YWHJYH012BAMKA X...
Page 49: ...6TQWDNGUJQQVKPI QGRRU IDQ GRHV QRW RSHUDWH DC motor interface sketch...
Page 51: ...6TQWDNGUJQQVKPI XPSHU FDS PDOIXQFWLRQ Jumper cap interface sketch...
Page 53: ...6TQWDNGUJQQVKPI RPPXQLFDWLRQ PDOIXQFWLRQ Indoor unit communication indicator sketch...