Uvitron International PORTA-RAY 400/600W Instruction Manual, Rev. E
Page 17 of 22
TROUBLESHOOTING
8
The PortaRay light cure system is designed for industrial use and if configured correctly, little
or no problems should be encountered during normal use. If, however problems do occur,
the following troubleshooting checklist may help isolate the cause and suggest a solution.
Problem
Probable Cause
Solution
1. Lamp operates but
has low output, or slow
curing.
A. Lamp Power switch
in standby power
position.
A. Place switch in the full power position
during curing.
B. Lamp too far from
substrate being cured.
B. Adjust lamp height to within 2 to 6 inches
of surface being cured.
C. Adhesive not
compatible with lamp
type.
C. Compare the adhesive’s light spectral
requirements with the Lamp’s spectral chart in
the Specifications section. Contact factory for
optional lamp types if required.
D. Reflector or lamp
requires cleaning.
D. Clean reflector and lamp as per
maintenance procedure of section 7.
E. Defective or
excessively aged lamp.
E. Replace lamp (see lamp replacement
procedure in maintenance section 7)
2. Lamp does not light,
but fan running.
A. Lamp not properly
installed.
A. Disconnect power, and verify both lamp
electrodes are properly centered in sockets.
B. Over-temperature
protection activated
B. Allow unit to cool and operate unit in cooler
environment (see Specifications section for
operating temperature range).
C. Defective or
excessively aged lamp.
C. Replace lamp (see lamp replacement
procedure)
3. Lamp does not start,
fan not running.
A. Power cord not
properly connected or
defective.
A. Verify both ends of the power cord are fully
inserted into their sockets, or replace power
cord.
B. No power at outlet.
B. Test for power at wall outlet.
