PART V TROUBLESHOOTING
5-1
ENGLISH
5.1 NO POWER
When the unit is plugged in, there are no display indicator lights on the
control panel and no melody. The buttons and remote control do not
start the unit.
Most of time, this problem occurs with the interlock switch breakdown.
However, there are other reasons. In order to make sure what causes this
problem, you will have to prepare yourself for some electrical work, have the
necessary tools ready and proceed with the following steps.
Fig. 5.2 Troubleshooting chart for NO POWER
Check electrical outlet
and the front panel
OK
Interlock switch
OK
Make sure the outlet is OK
and the front panel is installed
correctly.
Check the interlock switch
Check the fuse
Replace the damaged fuse.
Fuse is always
blown out
Check any short circuit or
check the main circuit
board.
Replace the broken interlock
switch.
Fix short circuit or replace the
main circuit board.
The Troubleshooting Chart
To use this chart:
1. Follow the steps in order. Don't skip around.
2. Each time you isolate and fix a problem, go back to
START.
3. Repeat all the steps until the air purifier checks out OK.
START
Some of these steps expose dangerous high voltage.
Only qualified service technician should attempt this
procedure.
WARNING
Fig. 5.1 Required tools.
1-Ohmmeter
2-Phillips screwdriver
3-Flathead screwdriver
Содержание R200T
Страница 69: ...ENGLISH NOTES ...