Groen Vortex VRC-3E, Service Manual, Page: 20 / 61

4
Call 1-800/676-9040 for Technical Support
4
TROUBLESHOOTING
Look for temperature rise on the
dial temperature guage
Set timer to one minute
Set timer to on
Cool to slightly below 180
degrees and set timer to hold
*Specials may have hold temps
from 150 to 200 degrees
Heats to 200 + degrees in
22 +/- 5 minutes
No defect found but customer
complaint is that unit is slow
to heat
Timer times out, done light
illuminates, and unit beeps
until door is opened or timer is
changed to another setting
On light illuminates
When the temperature is
180 =/-5 degrees, the hold
light illuminates
Heater element
Incorrect wiring
Customer may be opening
door frequently to add or remove
food
Timing mode heats fastest.
On mode operates at a slightly
lower temperature. Hold mode
comes up to temperature more
slowly and maintains a
temperature of 180 degrees
Timer
Control board
Light and timer board
Incorrect wiring
Timer
Control board
Incorrect wiring
Timer
Control board
Hold resistor
Incorrect wiring
Measure amperage for each
leg and compare to the chart
on Page 6. If amperage is
incorrect, disconnect power,
measure heater resistance (cold),
and compare to the
chart below. If resistance is not
within 20% of specified,
replace heater element
Check per wiring diagram
Talk with customer
Talk with customer
Substitute to test
Substitute to test
Substitute to test
Check per wiring diagram
Substitute to test
Substitute to test
Check per wiring diagram
Substitute to test
Substitute to test
J8-3-4 100k ohms +/- 2%
Check per wiring diagram
SETUP EXPECTED RESULTS PROBABLE DEFECT TEST or COMMENTS
CONGRATULATIONS!
The unit is operating correctly.