Fault: Control Unit; Fault: Replacing The Kiln Micro-Fuse (Els Without Switch Cabinet) - Rohde ELS-N Manuel D'utilisation Original

Fault
The kiln
Thermocouple not
switches off
working.
before the end
temperature is
Control unit not working.
reached.
The kiln Door switch misaligned.
switches off
Fuse at building's mains
shortly after it
connection has tripped.
has started.
Electrical wiring faulty.
Thermocouple not
working.
Table 38: Kiln faults

14.4. Fault: Control unit

Fault
The control unit
The kiln is not supplied
cannot be with electricity.
switched on.
The control unit cable is
not connected to the kiln
or the connection is
incomplete.
In the control unit, there is
a fuse that has blown and
must be replaced.
The control unit cannot be
put into operation due to
device protection (e.g.,
overtemperature)
The control unit
is showing an
-
error message.
Table 39: Control unit faults

14.5. Fault: Replacing the kiln micro-fuse (ELS without switch cabinet)

If the kiln cannot be switched on and other malfunctions are excluded, replace the fuse on the back wall of the kiln.
Required spare part:
Possible cause
Check the thermocouple for
visible damage.
See the next section.
Check the door switch.
Check the fuse on the fuse box
at the building's mains
connection.
-
Check the thermocouple for
visible damage.
Possible cause
See the previous section.
Check the cable connection
between the kiln and the control
unit.
See the instruction manual for
the control unit.
See the instruction manual for
the control unit.
See the instruction manual for
the control unit.
Micro-fuse T 2 A
ROHDE item no. 705080
Troubleshooting by
operator
Troubleshooting by
operator
134 / 492 - EN -
Troubleshooting by
electrician/manufacturer
Check the thermocouple and
replace it if necessary.
-
Adjust the door switch.
Check the building's mains
connection, fuses and the
current consumption of the kiln.
Check the electrical wiring.
Check the thermocouple and
replace it if necessary.
Troubleshooting by
Qualified electrician
-
Check the cabling between the
kiln and the control unit.
Special: Carry out a continuity
test and a cable break test,
check for faulty contact parts or
test for contact resistance
outside the tolerance.
-
-
-