7
6. Troubleshooting Guide
Failure
Description
Probable Cause
Light is not lit
when switching
ON
1. Power isn
’t switched ON: Check if power in-line is loose
or broken off.
2. Power connection does not work: Check if power in-line is
loose or broken off.
3. Power voltage does not function: Check the power
voltage.
Light is not
working
1. Check for broken or out light bulb.
2. Check for loose light cable
Top/Bottom
heating does not
function, heating
time is too long
or temperature
adjustment does
not function
1. Heating is not switched ON: Switch on the heating
function.
2. Heating power controlling components not working:
Check
controlling
lines
and
power
controlling
components.
3. Check the supply voltage function.
4. Check if the over temperature control is out of service.
Large difference
between Top and
Bottom
temperature
1. Top/Bottom
temperature
controller
input
is
not
corresponding to output: Check and rectify controlling
lines.
2. Heating power is too high or too low:
Reset heating power.
For Service needs please call Univex Service at
(800) 258-6358
Summary of Contents for UNV-2039
Page 4: ...4 3 Control Panel 1 2 6 8 9 7 5 4 3 ...
Page 9: ...9 8 Technical Drawing ...
Page 10: ...10 9 Circuit Diagram ...
