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7-4
TROUBLESHOOTING
Power Failed (Dead),
No display?
Replace the
Main PCB
Reconnect. If
defective harness,
replace or fix
Reconnect. If
defective harness,
replace or fix
Plug in the unit
Check the connection of
Power Cord. Normal?
Yes
No
2
Check the connection of
Main PCB.(CN01)
Normal?
Yes
No
3
Check the button beep.
Touch the Clear button,
Can hear the beep sound?
No
Yes
1
Replace the
Main PCB
Check the AC input of Main
PCB.
- Main PCB CN01
(Pin 1 and 3)
120V AC?
Yes
No
4
Reconnect.
Replace the
Thermostat
Replace the
Main PCB
Check the Thermostat
- Normal : Short
- Abnormal : Open
Normal?
Yes
No
6
Check the connection of
L1 and N at Terminal block.
Normal?
No
Yes
5
Содержание LSWS300BD
Страница 39: ...5 7 Composition of control VFD Module P N EAJ62608101 Touch PCB P N EBR82172601 LSWS306ST LSWS309BD ...
Страница 40: ...5 8 Composition of control VFD Module P N EAJ62608102 Touch PCB P N EBR82172601 LSWS307ST LSWS300BD ...
Страница 75: ...EXPLODED VIEW EV INTRODUCTION 9504 9506 Customer Model Product Code SVC Model MODEL ...
Страница 79: ...ASSEmbly 3511 3029 3605 3603 3604 3602 3601 3013 3018 3044 3144 5527 3311 3312 572L EV ...
Страница 80: ......