Main Power Pilot Light out
Main Power switch OFF
Machine unplugged
Loose connections / internal electrical fault
Customer power failed or outlet failed
Circuit breaker switch trips to center position
Switch Main Power ON
Plug machine into outlet
Check connections
Check power at main disconnect
Internal fault - contact Vastex
Main Power Pilot Light lit:
VDC-253610 & VDC-513610
All other models
Temperature control knob set to “OFF”
Is “HEATER” switch ON?
Set temperature control knob
Set “HEATER” switch ON.
Main Power Pilot Light lit:
All Models
Is “HEAT” light ON?
“HEAT” light OFF
Possible bad heating element.
Possible bad controller/thermostat
Possible Cause
Solution
No Heat
Troubleshooting
Poor airflow
Air inlet filter clogged
Clean / replace filter
Poor airflow
Exhaust clogged or restricted
Remove restriction
Poor airflow
Exhaust line too long, or contains too
many right-angle fittings
Reduce length, number of fittings, or
install booster fan
Possible Cause
Solution
High ambient humidity
Humidity in room where unit is located
Move unit to air-conditioned room, or
place dehumidifier near unit
Machine controls operate normally,
but drying inadequate
Possible Cause
Solution
Chamber contaminated
Debris in drying chamber
Wipe inside of chamber with lint-free
cloth, then vacuum.
Pinholes / flaws in screen
Stability
during use, transport, assembly, dismantling, testing, foreseeable breakdowns: This equipment is de-
signed and expected to be stable under all foreseeable conditions, so long as the procedures in this manual are
followed.
Safety during transport, handling, and storage:
This equipment does not present any special safety risks.
When moving the equipment, be aware of the following weights:
VDC-253610:
367 lbs (166.5 kg)
VDC-513610:
573 lbs (277 kg)
VDC-253624:
670 lbs (303 kg)
Safety during maintenance and troubleshooting:
ensure that your equipment is de-energized and the line
cord (if machine has a plug) or branch circuit breaker (if machine is hardwired) is locked out before removing any
panels or performing any troubleshooting or maintenance on internal parts. Only a qualified electrician or techni-
cian should perform testing on any internal components while equipment is powered. Allow time for heating ele-
ments to cool before removing any covers or panels. De-energize equipment before servicing filters or cleaning
drying chambers.
Essential characteristics
of tools which may be fitted to this machinery: This equipment is not designed to
be used with any additional attachments or tools, other than as specifically listed in this manual.
7
