General Error Messages - Rohde ST 630 Mode D'emploi

9.3.

General error messages

Display Description
• Heating error.
• The kiln temperature is not increasing as
ERROR: 1
•
ERROR: 2
Thermocouple or wiring for thermocouple
disconnected.
ERROR: 3
Thermocouple with reversed polarity.
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ERROR: 4
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Set kiln temperature exceeded.
ERROR: 5
ERROR: 6
The maximum duration of the firing process
exceeded.
ERROR: 7
The maximum room temperature exceeded.
ERROR: 8
Internal data conversion circuit (ADC) error
Only applies to multi-zone kilns:
ERROR: 9
The maximum permissible temperature difference
between two heating zones has been exceeded.
required.
The kiln has been on full power for 15 minutes,
but the temperature has not increased by at
least 2°C.
Cooling error
The kiln has been on zero power for 30
minutes, but the kiln temperature has not fallen
by at least 1°C.
Cause of error / Troubleshooting
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The kiln temperature has exceeded the
desired temperature by a preset limit.
⇒ The contactor is not working
⇒ 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
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Please contact your local specialist or
ROHDE Service.
The temperature difference between
heating zone 2 or 3 and heating zone 1
has exceeded the preset limit of 30°C.
75 / 317 - EN -
Kiln door or lid not completely closed.
Defective door switch
Door switch needs to be adjusted.
Heating element circuit open
Heating elements too old
Electrical power phase failure
Contactor failure
Get thermocouple and wiring
checked.
Replace thermocouple if necessary.
Kiln temperature apparently below
-40°C
This is an installation fault.
Get wiring checked.
Contactor failure
(contacts possibly welded)
Thermocouple disconnected or
resistance too high.
(contactor hanging).
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:
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insufficient or incorrect ventilation
of the kiln
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operating location too small
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ventilation grille blocked
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exhaust air flap not closed
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controller mounted too close to
the kiln