Hoefer UV20 - Manual (Page 16)

Troubleshooting
Unit does not operate when power is turned on
• Check that the power cord is plugged into a
working electrical outlet.
• Remove and inspect the fuses.
• Check that the lamps are properly installed.
Lamps flicker excessively
• Check that the dual intensity switch is in the
“high” position.
• Check for proper line voltage.
UV filter surface feels warmer than usual
• Ensure that there is enough space around the
unit so that air can freely circulate.
•
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