ULTRASOURCE Ultravac 500, Owner'S Manual

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4.4
MAINTENANCE MAINTENANCE
Troubleshooting
Problem Indications Remedy
Chamber not venting
(lid will not open) Lid will not open and red
indicator light “VENT” on
control module is lit Check ventilation valve SOL-1 for
proper operation
“VENT” indicator light is not
lit Check cool down potentiometer
on analog control module or
possible defective digital control
panel
NOTE: Lid can be released by pulling the hose off of
the vacuum gauge to remove product.
Improper or no
sealing
Seal bladder light on control
module is lit but the seal bar
does not go up Check to make sure that the
regulator knob is turned fully
clockwise, or, if air-assist is used,
set to the recommended pressure
Check seal bladder valve SOL-2
for proper operation
The seal bar is not heating
up even though the red
seal light on the front panel
comes on Check seal bar connection points
and clips for corrosion and proper
tension
The red seal light on the
front panel either does not
light for the proper length of
time (½ to 1 second) or does
not light at all Check for broken seal element
Check seal bar fuse F-1. Located
on the analog or digital panel. If
the machine is 110VAC, two seal
bars, F-1 is located on the chassis
Make sure the seal impulse
potentiometer is set high enough
or check for possible defective
digital control panel
NOTE: For proper sealing, three things must occur:
1. The seal bar must come down and place adequate pressure between the seal bar
and the backup strip.
2. The seal element must heat up sufficiently to fuse the pouch.
3. The pouch must be allowed to cool for a time to ensure a good “set.”