General Faults; Special Malfunction: Replacing The Control Unit Fuse - Rohde ST 630 Mode D'emploi

NOTE
Do not open the device cover.
⇒ There are no user-serviceable parts inside.

11.2. General faults

Fault
The control unit cannot
be switched on.
The control unit is
showing an error
message.

11.3. Special malfunction: Replacing the control unit fuse

If the control unit cannot be switched on and other faults have been excluded, replace the fuse in the housing of the
control unit.
Required spare part:
Replacing the fuse:
Step Activity
1 Switch the control unit off.
2 Switch off the kiln completely.
Disconnect the control unit connection cable
3
from the kiln.
4 Remove the fuse carrier on the underside of the
housing.
Cause
The kiln is not supplied with electricity.
A safety device on the kiln has triggered and
has completely switched off the energy
supply to the furnace.
The control unit cable is not connected to
the kiln or the connection is incomplete.
The key switch for switching on the control
system on the kiln is switched off.
The fuse in the control unit has tripped and
must be replaced.
An error has occurred in the operation of the
control system.
3.15 A T micro-fuse
ROHDE item no.: 704851
84 / 317 - EN -
Solution
⇒ Check the supply line/mains plug of
the kiln.
⇒ Check the fuses of the house
connection of the kiln.
⇒ Observe the operating instructions
for the kiln.
Observe the operating instructions for
the kiln.
Check the connection cable.
Observe the operating instructions for
the kiln.
Observe Section 11.3. in this instruction
manual.
Observe Section 9. in this instruction
manual.
Remark
Set the main switch on the kiln to the "0/OFF" position
or pull the power plug.
Tool:
7 mm slotted screwdriver
Place the tool in the slot in the fuse holder.