SM-16007
3-109
TROUBLESHOOTING
Abnormalities of Devices
Other
Abnormalities
Cause
Check Item
Action
(Turn OFF Main Switch)
Event
Outdoor Fan
does Not Operate
even when
Compressor
is Operating
Check obstacles.
Remove obstacles.
Obstacle at Outdoor Fan
Check wiring.
Correctly connect wires.
Disconnected Wire for
Indoor Fan
Check Indoor Unit PCB.
Replace
Indoor Unit PCB.
Failure of Indoor Unit PCB
Wait for switching of
reversing valve.
(1 to 3 minutes)
If the reversing valve is
not switched, check for
insufficient refrigerant.
Preparatory State for
Heating Operation
Indoor Fan
does Not Operate
even when
Compressor
is Operating
Check operation
pressure.
Add refrigerant.
Discharge pressure does
not increase higher than
319 psi (2.2MPa) due to
insufficient refrigerant.
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 ...