Skutt GlassMaster Kiln - Manual (Page 18)

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dIAG (Diagnostics)
“dIAG”, or Diagnostics, is where all of the diagnostic tools are located. The following Options are available under
the “dIAG” menu.
ERTF (Err Temp & Time of Last Firing)
This feature will display the temperature and the point of time in the firing at which the last Error occurred. Often
times this information is helpful in troubleshooting the problem which created the error. Once “ERTF” is selected
it will first flash the temperature at which the error occurred and then the time into the firing it occurred. The ERTF
information will also appear automatically when an error alarm sounds and the program is terminated. Pressing
any key at this point will show the temperature and elapsed time at which the error occurred.
VOLT (Voltage)
This feature is used to test the voltage supply to your kiln. It tests the voltage first with the elements off , “No Load”
and then again with the kiln on, “Full Load”. Select “VOLT” from the “dIAG” menu after the “NOLd” reading is
displayed. Press “ENTER” to receive the “FLLd” reading.
The power to the kiln will be switched on for a brief moment when the voltage under load is checked. Caution: To
Avoid Electrical Shock, be sure that the control box and kiln lid are closed before you use this feature.
Our technicians can use this information to help you troubleshoot voltage related problems over the phone. When
the voltage readings appear on your display write them down. Often times voltage related problems can happen
only at certain times of day so try to obtain the readings at the same general time your kiln would be firing.
AMPS (Amperes)
This is probably the most useful diagnostic tool available to you. All GlassMaster kilns produced after 2006 are
equipped with a current sensor in the control box. This allows us to test the current of each output to the kiln. This is
very helpful in determining if a relay or element needs replacing.
When you select “AMPS” under the “dIAG” menu it will give you an ampere reading for each output of the kiln
(except the accessory and safety outputs). Which elements these ouputs control will vary by model. If your kiln uses
only 1 or 2 outputs it will still give you 3 readings but the unused outputs will give a reading of zero.
LEd (LED Display)
This feature when activated lights up all of the segments in the LED display. This is helpful in locating any segments
in the display that may have gone bad and may explain why some indicated readings are not correct.
bd T (Board Temperature)
The electronics on the controller’s circuit board may be damaged if the board exceeds 160 °F. This should not
occur under normal conditions. However, if the kiln is located in a small enclosure with poor ventilation or in areas
where the temperatures are unusually hot, it is possible. Using this feature will tell you if your controller temperature
is approaching potentially harmful levels.
If you find that your board temperature is consistently over 150 °F you may want to consider improving air
circulation to the kiln room.
SW V (Software Version)
At Skutt we are continually working on ways of improving our products. This feature will indicate the software
version your controller is using.
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