Shellab BACTROX - Manual (Page 17)

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Bactrox Operations Manual 17
CAUTION: Extreme caution must be exercised any time access is made into areas housing
electrical components. Repair, replacement or adjustment of components in these areas must
only be done by qualified technicians familiar with electrical circuitry and the operation of the
hypoxic chamber.
ATTENTION: Des Précautions extrèmes sont requises à chaque fois que vous accédez à des
endroits qui abritent les composantes électriques. La réparation, le remplacement oi
ìajustement de composanted dans ces endroits ne doivent être effectués que par un technicien
qualifié familier avec les circuits électriques et ì opération des étuves anaérobiques.
17. TROUBLESHOOTING
I. PASS BOX
Problem Possible Cause Solution
PASS BOX Purge will not start. A. Input/output terminal buss is not
seated correctly.
A. Press down on the terminal buss
so that it snaps into place.
NOTE: Power should be turned off.
B. User pushed start switch and
held inadvertently held down.
Thus aborting Auto Cycle.
B. Push start switch once then
release.
D. Start button inoperative - D. Replace start button.
E. No power to controller - check
power light on Controller.
E1. Check for 24 volt DC out of
power supply.
E2. Check for continuity between
power supply and controller.
II. INCUBATOR
Problem Possible Cause Solution
Steady digital readout matches
set point, but actual temperature
does not. A. Temperature Controller out of
calibration.
A. Follow Complete Temperature
Controller instruction.
B. Incubator door open. B. Close incubator door and
allow incubator to stabilize.
Digital readout and actual
temperature continue to increase
past set point.
A. Output relay stuck - Check to
see if" Incubator Heating"
Indicator light stays on while
temperature is Increasing.
A. Replace Temperature
Controller.
B. Incubator door open. B. Close incubator door and
allow incubator to stabilize.
Audible alarm sounds. A. Temperature has risen beyond
the set range for the High
Limit Safety.
A. Determine cause of
temperature increase from
prior section and take
appropriate action.
Call for service.
III. MISCELLANEOUS
Problem Possible Cause Solution
Role of Condensate Controller: The Condensate Controller is an
exclusive Bactrox feature of
Sheldon Manufacturing, Inc. Our
competitors use desiccants.
Desiccants are a drying agent
and often dry out samples.