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Service Manual
TROUBLESHOOTING
Alarm
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Is fan motor
running current
same as rated
current? *2)
Restart operation.
Does it trip soon?
Yes
Yes
Yes
Yes
It trips.
No
No
No
No
No
It trips
immediately.
Check fan motor.
Check fan motor.
Is there any cause
of instantaneous
voltage drop?
It trips
occasionally.
It trips after a
certain period.
Replace
fan controller. *1)
Replace
fan controller. *1)
Check
fan controller *1)
Normal
Replace
fan controller. *1)
Faulty
Check capacity
and wiring of
power source.
Turn OFF power and
disconnect U, V, W from
fan controller terminals.
Turn ON #1 of DSW on
fan controller to cancel 0A
detection and restart the
operation. Does it trip?
Check capacity
and wiring of
power source.
Replace
fan controller.
Is the supply voltage 208-230V/60Hz+10%
or 460V/60Hz+10% ?
Yes
Yes
Yes
No
No
No
In case of 208-230V/60Hz:
Is it 177V or more during operation?
In case of 460V/60Hz:
Is it 391V or more during operation? *1)
In case of 208-230V/60Hz:
Is it 177V or more during operation when other devices are operating?
In case of 460V/60Hz:
Is it 391V or more during operation when other devices are operating?
*1)
Содержание YVAHP072B31S
Страница 2: ......
Страница 10: ...viii Service Manual ...
Страница 16: ......
Страница 17: ...Service Manual 1 1 INSTALLATION 1 Installation ...
Страница 559: ...Service Manual 1 543 INSTALLATION 7 7RXFK DFN WR QLVK WKLV VHWWLQJ The screen returns to the Service Menu screen 7 ...
Страница 577: ...Service Manual 1 561 INSTALLATION 9 Touch Back to return to the Service Menu screen 9 ...
Страница 920: ......
Страница 921: ...Service Manual 2 1 OPERATION 2 Operation ...
Страница 983: ...Service Manual 2 63 OPERATION Clipped Ceiling Type Grille for Front Discharge 2SWLRQDO Decorative Panel 2SWLRQDO ...
Страница 1184: ...2 264 Service Manual OPERATION 7 Touch on Return to Group sel to return to Setting Group Selection 7 ...
Страница 1315: ...Service Manual 3 1 TROUBLESHOOTING 3 Troubleshooting ...
Страница 1425: ...Service Manual 3 111 TROUBLESHOOTING Surge Absorber SA Surge Absorber SA Surge Absorber SA 3RVLWLRQ RI 6XUJH EVRUEHU 9 9 1 1 1 ...
Страница 1461: ...Service Manual 4 1 MAINTENANCE 4 Maintenance ...
Страница 1657: ...Service Manual 5 1 EXTERNAL INPUT OUTPUT AND FUNCTION SETTING 5 External Input Output and Function Setting ...
Страница 1728: ......
Страница 1729: ...Service Manual 6 1 FIELD WORK INSTRUCTIONS 6 Field Work Instructions ...
Страница 1738: ...6 10 Service Manual FIELD WORK INSTRUCTIONS 6 8 Mollier Chart for R410A ft 3 l b ...
Страница 1739: ...SERVICE PARTS LIST Service Manual 7 1 7 Service Parts List ...
Страница 1795: ......
Страница 1796: ... 2015 Johnson Controls Inc SM 15001 ...