Chapter 6. Troubleshooting Guide; Troubleshooting - Sharp S3503CVP09FX/T Service Manual

CVP09FX
CHAPTER 6.
TROUBLESHOOTING GUIDE

[1] TROUBLESHOOTING

No cooling
Any LED does not turn on
Neither fan nor louver works
The plug was connected
by improper insertion
NO (proper insertion)
Check the Limit SW
for drain water.
Exhaust some water
from the lower outlet.
At first only about 500mL
Water was exhaust.
NO
Check the power supply
The wall socket output
under 100V.
Or when the product is
powered on, the voltage is
drop down under 100V.
NO
115V(over 100V)
A
Checking for LCDI
Pull the LCDI out from the wall socket. And remove the LCDI from product.
Push the reset button on the LCDI.(If the LCDI is tripped itself before, you must push the reset button to bring back the common state.)
Put the LCDI into the wall socket.(Check the output of the power supply cord)
115V( over 100V)
Push the test button on the LCDI.
(If the LCDI is tripped itself by this action, the LCDI is working normally.)
115V -- >0V
Push the reset button on the LCDI to bring back the common state.
0V -- >115V( or receptacle output voltage)
While the reset button is pushed ,the power supply cord output is 0V.
When you release the button, the output will be 115V.
OK
Check the diagnostic program.
YES
Refer to the page(4-4).
Some LED turn on.
Check the display&
YES
detector unit.
Some fan or louver
work.
Check the operation of
YES
the product.
Insert the plug properly.
Any LED does not turn on
Check the operation of
the product.
YES
Any LED does not turn on
YES
Check the indoor wiring capacity.
This product needs more than 15A
Service Manual
YES
Some LED turn on.
NO
YES Check the diagnostic program.
Some LED turn on.
Refer to the page(4-4).
EX. For the house fuse, the circuit breaker on the distributing board and
the wires(wire diameter), check the capacity of the current.
If you use the power supply equipment, check the current capacity of it.
NG
under 100V
The LCDI did NOT trip. The output is 115V( over 100V.)
6 – 1
Check the diagnostic program.
Refer to the page(4-4).
Exchange the proper part or equipment.
NG(out of order)
NG(out of order)
The LCDI output voltage is 0V .
NG(out of order)
CVP09FX