Firing Program Errors - Rohde ST 410 Instrucciones De Uso

Display screen Icon
Err.4
Err.5
Err.6
Err.7
Note:
• Each of the listed error messages leads to the termination of the firing process.
• Terminating the firing process protects the kiln from damage.
• The alarm buzzer will sound once per second.
• To reset the controller, turn off the power to the device and have the fault investigated and rectified by your installer or
kiln service engineer.
7.4.

Firing program errors

Display screen Icon
Err.P
Description
•
Cooling error
•
The kiln has been on zero
power for 30 minutes, but the
kiln temperature has not fallen
by at least 1°C.
Set kiln temperature exceeded.
The maximum duration of the firing
process exceeded.
The maximum room temperature
exceeded.
Description
Program error:
• This error message is displayed if a
potential error is detected within the
firing program when the
pressed to start a firing.
• A buzzer sounds three times and
the segment number at which an
error may have occurred appears on
the segment display.
66 / 280
Cause of error / Troubleshooting
•
Contactor failure
(contacts possibly welded)
• Thermocouple disconnected or resistance too
high.
The kiln temperature has exceeded the desired
temperature by a preset limit.
⇒ The contactor is not working
(contactor hanging).
⇒ Replace contactor
The duration of the firing process exceeds a limit
value set in the factory.
⇒ Deactivated at the factory.
⇒ If you want to set a maximum firing time,
please contact ROHDE Service.
• The internal temperature of the controller has
exceeded a factory-set limit value.
• Factory set to 50°C.
• Possible causes:
­
insufficient or incorrect ventilation of the
kiln
­
operating location too small
­
ventilation grille blocked
­
exhaust air flap not closed
­
controller mounted too close to the kiln
Cause of error / Troubleshooting
•
Press the
will be deleted.
• The controller now changes to
j
programming mode.
key is
• The program in which the error may have
occurred can be called up and changed
if necessary.
•
If no fault is found, then press the
again to force the firing program to start.
g
key and the error message
j
key