Elmer's Glass Kiln - Manual (Page 17)

Kiln Maintenance
Trouble-Shooter
Kiln Does Not Turn On, Display is Blank
■ Make sure the circuit
breaker is in the “on” po-
sition.
■ If the circuit breaker is on,
check the kiln’s fuse. Re-
move by pressing on the
fuse holder and turning
counter-clockwise half a
turn. Check the fuse by
placing the probes of an
ohmmeter on the ends of
the fuse. If the ohmeter
reads less than one ohm
(digital meter) or reads 0
ohms (analog meter), the
fuse is bad. Replacement
fuse:
AGC ½ A 250V AC
Note: If you do not have an ohmmeter, visually in-
spect the fuse. You will see a thin strand of unbro-
ken wire in a good fuse. The wire usually appears
broken in a burned fuse.
Circuit Breaker Trips
■ If the circuit breaker trips after the kiln has fired for
awhile, make sure no other appliances are operating on
the same circuit as the kiln.
■ If the circuit
breaker trips im-
mediately after the
kiln is turned on,
the kiln may have a
short circuit. Un-
plug the kiln. Re-
move the bottom
cover and look for a
loose wire touching
the case.
Temperature is
Inaccurate
■ Make sure the ther-
mocouple is pushed
½” - ¾” into the firing
chamber.
■ If the thermocouple is
pushed into the firing
chamber, and the
temperature is inac-
curate, replace the thermocouple.
Kiln Repairs
Door Latch
Adjustment
Adjust the two screws
on the door latch to
change the spring ten-
sion.
Note: Do not
loosen the screws
too far, or they
could fall out.
Ceramic Fiber Repair
If glass, ceramic glaze, or other materials drip onto the
firing chamber, repair before the next firing. Otherwise the
glaze will remelt and embed deeper into the fiber.
1 Unplug the kiln.
2 Cut or scrape the ceramic
fiber to remove the con-
taminant. Remove as little
fiber as possible. If a heat-
ing element is located
where you are scraping,
avoid touching the ele-
ment.
Cleaning or Replacing the
Glass Viewing Port
Never fire a kiln equipped with the glass view port hotter
than 1700°F/926°C. Firing hotter will damage the glass.
To remove the window:
1 Remove the four
screws holding the
glass cover.
2 Remove the glass.
Clean with glass
cleaner. To remove
scratches, take the
glass to an eye glass
polisher.
17
Thermocouple