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Idiomas disponibles
6.6 Backup Battery Replacement
1. Switch the oven off and unplug the power cord at
the wall outlet.
2. Allow the oven to cool off.
3. Loosen the operating unit fastening screws (Figure 25).
4. Pull the operating unit out towards the front and
lay it aside.
5. Unplug the ribbon cable (Figure 26) and close the
connector retainer clips (Figure 27).
6. Loosen the top housing cover screw (Figure 28).
7. Remove the top housing cover.
Do not touch any components or solder
points on the PCB!
8. Replace the battery (Figure 29), taking care not to
reverse the polarity. The + pole is on top.
When reinstalling the top housing cover
make sure no components on the PCB are
damaged!
9. Replace the top housing cover and secure it with
the screw.
10. Open the connector retainer clips (Figure 30).
11. Reconnect the ribbon cable (Figure 31).
12. Push the operating unit straight back into the oven
and secure it with the screws.
13. Check the system time as described in Sec. 2.3.1
and reset, as required.
6.7 "Err" Display
The controller is able to detect a variety of fault
situations which it indicates by displaying "Err" in the
upper display (refer to Sec. 11, "Error List").
The "Err" display appears whenever an anticipated
reaction on the part of the oven (or the oven tempera-
ture) fails to occur.
The heater is simultaneously switched off.
Burn hazard!
Do not touch the oven if "Err" is displayed.
Switch the oven off at the main power
switch and allow it to cool off.
11. Error List
Error
Displays remain
blank after the oven
is switched on at the
main power switch.
The building fuse
blows each time the
heater is switched on.
EN
Possible cause
• Power cord not plugged in.
• Building fuse blown.
• Device fuse blown.
• Inadequate mains power protec-
tion.
7. Spare Parts
You can find components subject to wear and the
spare parts on the spare part list in the internet at
www.renfert.com/p918.
The components excluded from the warranty (such
as consumables or parts subject to wear and tear)
are marked on the spare part list.
Serial number and date of manufacturing are shown
on the type plate of the unit.
8. Standard Delivery
1
Magma preheating oven
1
Ceramic pad
1
Operating instructions
1
Handle set
9. Delivery Versions
No. 2300-0000
Magma, 230V, 50/60 Hz
No. 2300-0500
Magma, 230V, 50/60 Hz,
for Catalyser, only together with
No. 2300-0001
No. 2300-3000
Magma, 230 V, 50/60 Hz,
with NEMA6-15P plug
No. 2300-3500
Magma, 230 V, 50/60 Hz,
with NEMA6-15P plug
for Catalyser, only together with
No. 2300-3001
10. Accessories
No. 2300-0001
Catalyser
No. 2300-3001
Catalyser with NEMA6-15P plug
No. 9-0003-5962 Flue
No. 9-0003-6000 Handle set
Corrective action
• Plug the power cord into the wall outlet.
• Check the building fuse and replace, as re-
quired.
• Check the device fuse and replace, as re-
quired (refer to Sec. 6.3).
• The building fuse must be at least 16A.
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