Sunnex PF Series (MRI) - Manual (Page 21)

Sunnex PF Series MRI Service & Installation Manual
21
9. TROUBLESHOOTING
Please refer to the following table for troubleshooting.
CAUTION! DISCONNECT THE LIGHT FROM THE POWER
SUPPLY BEFORE ATTEMPTING ANY OF THE
ELECTRICAL CHECKS MENTIONED BELOW.
PROBLEM POSSIBLE
CAUSE SOLUTION
No light from light
head Light head is on OFF
position Turn on the ON/OFF switch
to ON position
No light from light
head, when ON/OFF
switch is ON Bulb has not been
installed or it has
burned out Refer to bulb replacement
procedure in the manual
Fuse is blown Inspect / replace the fuse
following the fuse
replacement procedure
No power to the
electrical box Check for facility power to the
electrical box
Power Supply unit is
malfunctioning Call Sunnex Customer
Service
Incorrect bulb
installed
Install correct bulb
Bulb burns out
quickly Incorrect bulb
installed in the light
head Install correct bulb
Light output is
irregular in its shape
or intensity Incorrect bulb
installed in the light
head Install correct bulb
Bulb/reflector is not
seated in its holder
correctly Adjust the bulb/reflector so it
seats in the holder properly.
No light from light Circuit or wiring Check all wiring connections.