Chapter 6: Troubleshooting
Product Service 1-800-522-7658
No vacuum/poor vacuum
(cont.)
Pump is not functioning
properly
Check pump by locating vacuum gauge
closer to pump and close off rest of system.
Check pump oil for cloudiness or particles
and change.
If pump is faulty, seek authorized service or
replace pump.
Hold lid down until vacuum is initiated.
Ice formed on Cold
Trap lid sealing
surface
Secondary Trap
Cannister not fitted
properly
Tighten all connections to and from the
Secondary Trap Cannister.
Secondary Trap Insert
is spent
New Secondary Trap
has moisture in it
Run vacuum pump for 24 hours to
remove moisture.
Recovery of condensate
in Cold Trap is less than
normally expected
Check to make sure switch is ON and
condensing unit fan is moving air out of
the rear of the cabinet.
Cold Trap does not
cool down
Turn vacuum pump OFF and allow
Cold Trap to cool for at least 30 min. to
reach temperature.
-50°C temperature can be checked with
a solvent thermometer or digital
thermometer.
Frequent oil change
needed in pump
Secondary Trap insert
is spent
Cold Trap is not
emptied after each run
and dried
Empty the traps (glass or stainless steel)
after each run and replace.
Vacuum too strong for
chemical
Use a Secondary Trap insert and
diaphragm pump.