SM-16007
3-73
TROUBLESHOOTING
Alarm
&RGH
$EQRUPDOLW\RI7KHUPLVWRUIRU2XWGRRU$LU7HPSHUDWXUH
2XWGRRU8QLW$PELHQW7KHUPLVWRU
Outdoor Unit
Ambient Air Thermistor
(THM7)
O
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O
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1)
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1)
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QXPEHUDQGWKHDODUPFRGHDUHGLVSOD\HGRQWKHVHJPHQWGLVSOD\RIWKHRXWGRRUXQLW3&%
([FHSWIRUVRPHPRGHOV
+
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Yes
Yes
Connect them.
No
No
Is thermistor THM7
connected to THM7
(Ta, color: red) of
O.U. PCB?
Is resistance of THM7
between 0.2k
Ω
and
840k
Ω
?
Failure of
Thermistor
Failure of O.U. PCB
Cause
Check Item
Action
(Turn OFF Main Switch)
Event
Failure of
Thermistor for
Outdoor Air Temp.
Check resistance.
Replace thermistor
if faulty.
Failure
Check wiring to
O.U. PCB.
Repair wiring and
connection.
Incorrect Connection
Replace O.U. PCB
and check operation.
Replace O.U. PCB
if faulty.
Failure of O.U. PCB
283&% 2XWGRRU8QLW3&%
Содержание YVAHP0721CW Series
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Страница 10: ...viii SM 16007 ...
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Страница 15: ...SM 16007 1 1 INSTALLATION 1 Installation ...
Страница 163: ...SM 16007 2 1 OPERATION 2 Operation ...
Страница 164: ...2 2 SM 16007 OPERATION Ɣ 5HIHU WR WKH 6HUYLFH 0DQXDO IRU QGRRU 8QLW RU RQWUROOHU ...
Страница 165: ...SM 16007 3 1 TROUBLESHOOTING 3 Troubleshooting ...
Страница 262: ... SM 16007 TROUBLESHOOTING Surge Absorber SA Surge Absorber SA Surge Absorber SA 3RVLWLRQ RI 6XUJH EVRUEHU 9 9 1 1 1 ...
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Страница 285: ...SM 16007 4 1 MAINTENANCE 4 Maintenance ...
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Страница 361: ...SM 16007 5 1 EXTERNAL INPUT OUTPUT AND FUNCTION SETTING 5 External Input Output and Function Setting ...
Страница 390: ......
Страница 391: ...SM 16007 6 1 FIELD WORK INSTRUCTIONS 6 Field Work Instructions ...
Страница 400: ...6 10 SM 16007 FIELD WORK INSTRUCTIONS 0ROOLHU KDUW IRU 5 ft 3 l b ...
Страница 401: ...SERVICE PARTS LIST SM 16007 7 1 7 Service Parts List ...
Страница 416: ... 2016 Johnson Controls Inc SM 16007 Code No LIT 12012400 Issued November 2016 ...