SM-16007
TROUBLESHOOTING
Alarm
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Is LED1 on PCB of
outdoor unit B or C
turned ON?
Is operating line between
outdoor units loose
or disconnected?
No
No
Turn ON power supply.
Replace PCB of
outdoor unit B or C.
Correctly connect
operating line between
outdoor units. Also, reset
power supply.
Replace PCB of
outdoor unit B or C.
Check cause and
replace fuse.
Yes
Yes
Yes
No
Check power supply
of outdoor unit.
Is fuse of O.U. PCB
blown?
Good
Faulty
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Unit A
(Main)
Unit B
(Sub)
Unit C
(Sub)
Outdoor Unit
Summary of Contents for YVAHP0721CW Series
Page 2: ......
Page 10: ...viii SM 16007 ...
Page 14: ......
Page 15: ...SM 16007 1 1 INSTALLATION 1 Installation ...
Page 163: ...SM 16007 2 1 OPERATION 2 Operation ...
Page 164: ...2 2 SM 16007 OPERATION Ɣ 5HIHU WR WKH 6HUYLFH 0DQXDO IRU QGRRU 8QLW RU RQWUROOHU ...
Page 165: ...SM 16007 3 1 TROUBLESHOOTING 3 Troubleshooting ...
Page 284: ......
Page 285: ...SM 16007 4 1 MAINTENANCE 4 Maintenance ...
Page 360: ......
Page 390: ......
Page 391: ...SM 16007 6 1 FIELD WORK INSTRUCTIONS 6 Field Work Instructions ...
Page 400: ...6 10 SM 16007 FIELD WORK INSTRUCTIONS 0ROOLHU KDUW IRU 5 ft 3 l b ...
Page 401: ...SERVICE PARTS LIST SM 16007 7 1 7 Service Parts List ...
Page 416: ... 2016 Johnson Controls Inc SM 16007 Code No LIT 12012400 Issued November 2016 ...