47
No.: Error: Cause: Remedy:
E 04 Control unit is too
hot.
Program
cancellation,
continuous sound.
Extremely high standby
temperature with open firing
chamber.
Disconnect mains plug and
allow furnace to cool down for a
period of 5 minutes
approximately. If not in use,
always keep furnace closed.
After this down-cooling period,
restart furnace as usual.
E 05 Nominal vacuum has
not been reached,
program cancellation.
There is a leak in the
vacuum system
Pump intake capacity is too
low
moisture has entered into
the firing chamber insulation.
Start Vacuum test program (in
Menu furnace parameters). If
the vacuum level does not sink,
then the problem may be that
the pump itself is not powerful
enough.
Re-check the pump as
described in the manufacturer’s
instructions or replace with a
stronger pump if necessary.
Run dehydration program 376
(with pump) or alternatively 374
(without pump)
If none of the activities solves
the vacuum issue, please
contact your service technician
E 06 Fast cooling is still
activated.
Low temperature has not yet
been reached.
Wait until low temperature has
been reached, or deactivate
manually by pressing key “ ”.
E 07 Mains failure. Temporary mains supply
failure while firing is in
progress.
Not possible. Please check firing
results.
E 08 Heating circuit is
defective.
Program abortion.
Muffle or triac might be
defective.
a) Disconnect furnace from
mains plug
b) Wait one hour to cool the
furnace
c) Reconnect power plug to
furnace
If E08 still appears, please
contact your service engineer.
E 09 Thermocouple
broken, Wiring
broken. Program
abortion.
Thermocouple is broken or
there is an interruption in the
wiring.
Thermocouple wrong polarity
Check thermocouple and wiring.
Reverse polarity of
Thermocouple or wiring.
To Next Page
Loading...
