26
E- -
The E- with a dash indicates there was a power loss to the controller
while writing a program to the non-volatile memory chip.
Turn the controller off and back on. Recheck
the selected program, and reprogram if
necessary.
E- E
The controller software has detected a hardware error. The controller
must be returned for service.
Hardware error, return controller for service.
E- d*
The kiln temperature is more than 50
o
F above the travelling set-point.
With a zone control kiln, any one of the zone temperatures is more
than 50 degrees F above the travelling set point.
Can be caused by a stuck relay or stuck
output. If zone control, then the outputs or
t/c'
s may be in the wrong zones
E- A
Invalid program variable.
Reprogram all eight segments of program
being fired; if problem persists return board
for service.
E- r
RAM (random access memory) does not equal EEprom (memory
chip).
Reprogram and try to fire again. If error
persists return controller for repair.
E- U
Invalid 16 segment firing is attempted.
Re-program and restart firing.
E- H
Hardware error.
Controller must be returned for repair.
PF
Power Failure and the firing has been stopped.
See note below.
StUc
Key was held too long or is stuck
If problem persists after releasing key, have
key pad replaced
FAIL
Steady FAIL message in the display indicates all thermocouples (t/c)
have failed. If TC 1 alternately flashing with FAIL then t/c one in top
section has failed. TC 2 flashing with FAIL, then t/c 2 (middle
section) has failed. TC 3 flashing with FAIL, then t/c 3 (bottom
section) has failed.
Check board temperature in Menu. If board
temp (bd T) is approximately room temp
then the t/c is defective. If display shows
high temp. or FAIL without showing room
temp then the circuit board is defective.
Full Power Test
The full power test is used to check the relays and elements of the kiln. Program a one
segment Vary Fire program to go up as fast as possible to 1000
o
F and no hold (One
segment, RA1 9999,
o
F 1 1000, HLd1 of 0) or program a Fast Glaze program to cone 04.
Leave the lid of the kiln open and start the firing. Inspect the elements after the kiln has
fired for 10 to 20 minutes. Observe each element from where it comes into the kiln all
the way around to see that it is equally bright throughout.
The following observations are possible:
One section of the kiln is dark and not going on. This indicates a defective relay since
there is usually one relay per section.
One element is not glowing at all. This indicates a broken element.
There are darker (cool) spots along the elements. This indicates worn elements.
The top and bottom elements appear brighter. This is normal for many kilns that have
hotter elements in the top and bottom.
After you have made your observations turn off the kiln
.
PF – Power Failure
Power was lost during a firing and the kiln temperature was below 140
o
F (60
o
C) or the kiln temperature
dropped more than 250 degrees during the power outage.
