Carbolite 3508 - Manual (Page 22)

Basic Operation
22 MC19-1.20
8 Controller Fault
8.1 Fault Code Diagnostic Table
Error Code Explanation Actions
S.br Temperature sensor failure
Replace the Furnace or Oven
Temperature Sensor
9 Glossary of Terms
Home display
The first display of the controller screen, to which it returns when no
keys are pressed.
PID
Proportional, Integral, Derivative: the control system used by the
controller.
Parameter A temperature or time value, or program action.
Segment A program section in which a group of parameters are set.
Program
A pre-set sequence of segments to control temperature changes
and time periods.
Measured
temperature
The actual temperature of the furnace or oven.
Setpoint
temperature (SP)
The target temperature when operating as a controller.
Program setpoint
temperature (PSP)
The target temperature as a program proceeds.
Reset
A single action by the operator to stop a program running and return
to simple controller mode.
Holdback
Holdback can be used to prevent the PSP from running ahead of the
actual heating or cooling.
Ramp
The Program Setpoint temperature rises or falls over a period of
time.
Rate
The rate; in degrees per second, min or hour, of the Program
Setpoint temperature rise or fall.
Time A set time period for the Program Setpoint temperature to rise or fall.
Step An immediate rise or fall in the Program Setpoint temperature.
Dwell Time period during which the PSP is fixed.
Wait
The program waits until a selected external parameter has been
met.
Call
Interrupts a program to run another program, then returns to
continue
End
A segment type to end a program by either: Going into Reset and
controlling to the SP; Dwelling at the last PSP value until Reset is
pressed; SafeOp
SafeOp Turns the power off.
Element The heating device used in the furnace or oven.
Thermocouple The temperature sensing device used in the furnace or oven.
Furnace or Oven This refers to the product purchased from Carbolite.