Troubleshooting guide

P:\WINWORD\P:\WINWORD\Torch Service Guide 46 and 52inch screens\
Service Guide for EN069K series 46 & 52 inch LCD screen.doc Page 11
Uninterruptible Power Supply (UPS 300K/500K - 110 or 220vac 60/50Hz)
The Torch Computers 46” and 52” screen are fitted with a UPS whose purpose is to
protect the unit against mains fluctuations. If the power is lost, the LCD panel will go off
immediately, but the UPS will keep the computer running. During this time, the UPS
bleeps continually.
If the power is restored within one minute, the LCD panel will come back on and normal
operation will resume.
If the power remains off, after one minute the computer will start to shut down, which will
take up to one minute more.
1. 2. 3. 4. 5.
Operation and Display
1. Red Over Heat LED, comes on if temperature is too high.
2. Red Battery Low LED, will flash with alarm sound, (1 second) Battery is weak or
failed.
3. Amber On battery LED, on if AC mains input failure, with alarm sound. (4
seconds)
4. Green On line LED, on when AC mains input is normal.
5. Test Button, press and hold to test battery condition, amber LED with 1 second
alarm indicates test passed.