I believe DTC 800 refers to the type of controller you have for your
kiln, rather than the make of the kiln itself. My kiln has a DTC 800C
controller with the Paragon label on it. My suspicious is that they're
similar, although mine is probably 10 years old and may work slightly
Does your controller have a toggle switch? You may have to flip that
switch to ON to get the controller to recognize that you're pressing
buttons. Mine has a toggle switch on the left side of the front panel
of the controller. Yours may not have it or may have it in a different
On my controller, ErrP means that there was a power outage that
caused the kiln to lose power. When I get the ErrP message, I press
the STOP button to get it to go to IDLE. This error message occurs
when the kiln is unplugged, which obviously yours has been since you
just received it.
The controller won't recognize any buttons I press, unless the
toggle is set to the ON position, as mentioned above.
If these suggestions don't work, you might try asking on the
Kilnforming board at www.warmglass.com for and help.