Owner`s manual

29
SECTION 7 TROUBLE-SHOOTING
STEAM TRAP TROUBLE-SHOOTING:
Trouble can only occur either through the premature closing of the steam trap before all the cold air has been
exhausted, or by its failure to close sufciently to enable a proper steam pressure build-up. Either case warrants
a replacement of the thermostatic element.
TROUBLE POSSIBLE CAUSE CORRECTION
Sterilizer fails to operate at all
(no pressure build up).
Not installed correctly.
Blown fuse.
Contactor burned out.
Wiring is defective.
1.
2.
3.
4.
Check wire diagram for correct hook
up.
Replace fuse. If it blows, check that
source of electric supply is 60 amps.
Replace.
Check all wiring. Repair or replace.
1.
2.
3.
4.
Sterilizer operates, but fails to
build up 15.5 PSI pressure.
Current not heating all of the
elements.
Steam trap fails to close.
Exhaust valve fails to hold
pressure at 15.5 PSI.
Steam leaks around door.
Safety valve blows-off prema-
turely.
1.
2.
3.
4.
5.
Remove lower front panel and see if
the heating elements are working.
Replace the thermometer within the
steam trap.
Check for incorrect adjustment on
temperature control. Readjust.
Check for worn gasket or make door
adjustment.
Replace safety valve.
1.
2.
3.
4.
5.
Unit releases pressure before
cycle has terminated on timer.
Low water cut-off has func-
tioned prematurely.
1. Replace low water cut-off.1.
Timer is erratic, or fails to
return to zero.
Loose or broken electrical
leads on timer.
1. Repair defective wiring.1.
Unable to obtain set tempera-
ture at peak of cycle.
Steam trap closing prema-
turely, preventing removal of
air from the chamber.
1. Replace the thermostatic element in
the steam trap.
1.
One or both sides of the cast-
in heating elements remain on
when the timer is in an OFF
position.
Contactors of the temperature
control switch remains closed.
Temperature control not prop-
erly calibrated.
1.
2.
Replace switches.
Recalibrate.
1.
2.
Heating element cutting out
before 15 lbs. of pressure is
reached.
Pressure cutting off at the
temperature control too soon.
1. See adjusting the range of operation
and calibration of the temperature
control. Readjust.
1.