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Cascade TEK 5245-A NE Elam Young Parkway Hilllsboro Oregon 97124
Toll Free 888-835-9250 503-648-1818 FAX 503-648-1798 info@cascadetek.com www.cascadetek.com
REV 01.08
17
OTHER
Controller on at all times -
"locked-up"
1/ Adjust set point to room temperature. If the unit is still
heating, replace the solid state relay.
2/Turn unit off and on to reset.
Controller timer resets on its own
1/ Confirm that power from wall is consistent and within
specifications.
Front panel displays are all off
1/ Check connections to the temperature display control board
and assure that all are tight and in the correct orientation.
2/ Check for wire damage.
Unit or wall fuse/circuit breaker is
blown
1/ Check wall power source.
2/ Compare current draw and compare to specs on data plate.
3/ See what other loads are on the wall circuit.
Unit will not turn on
1/ Check wall power source.
2/ Check fuse/circuit breaker on unit or in wall.
3/ See if unit is on, e.g., fan or heater, and just controller is off.
4/ Check all wiring connections, especially around the on/off
switch.
Unit is smoking – Out of box
This is not an uncommon occurrence when first operating new
units. Put unit under vent and run at high temperature for one
hour until smoke dissipates. See Section 3.6 “Burn-In”
Contamination in chamber
1/ See cleaning procedure in Section 7.1.
2/ Develop and follow standard operating procedure for specific
application; include definition of cleaning technique and
maintenance schedule.
Contamination in sample
1/ See “Contamination in chamber” above.
2/ Reduce air flow in chamber by dampening down exhaust port;
be sure to verify adequate temperature uniformity at the reduced
air flow.
3/ Protect open samples from areas of maximum air current, e.g.,
inlet air ducts.