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Idiomas disponibles
Idiomas disponibles
BÜNOx 2+
Problem / Malfunc-
Possible cause
tion
No display
• No voltage
• Loose connect-
ing cable
• Display defect-
ive
D1.02
(The software ver-
sion for the display
(perman-
will appear).
ent)
• Not communic-
ating with the
controller
Error
• An error has oc-
curred
Error 01
• Controller mal-
function
Error 03
• Microcontroller
Fault / MCP2
Error 04
• EEPROM error
Error 40
• General error
temperature
sensor 1
Error 41
• Low temperat-
ure / short-cir-
cuit temperat-
ure sensor 1
Error 42
• Excess temper-
ature / short-
circuit temper-
ature sensor 1
Error 43
• Measurement
fluctuation
temperature
sensor 1
Error 44
• Unit not heat-
ing / not heat-
ing fast enough
• No converter
cartridge
defined
• Temperature
fuse tripped
Error 45
• Unit not heat-
ing / not heat-
ing fast enough
• No converter
cartridge
defined
BX550019 ◦ 02/2020
Action
• Check the sup-
ply cable
• Check fuse
• Check connec-
tions
• Check connec-
tions
• Read the error
number as de-
scribed above
• Clear error
(temporary
fault)
• Disconnect
from power for
approx. 5 s
• Contact service
• Contact service
• Contact service
• Sensor possibly
defective
• Check temper-
ature sensor
connection
• Check temper-
ature sensor
connection
• Check temper-
ature sensor
connection
• Define cart-
ridge type
• Reset temper-
ature fuse
• Temperature
value un-
changed since
being switched
on?
• Contact service
• Define cart-
ridge type
• Reset temper-
ature fuse
• Temperature
fuse tripped
Status text
Possible cause
Bypa
• The unit was
manually
switched to by-
pass
Cart
• No converter
cartridge
defined
Calc
• The computed
life of the con-
verter cartridge
has been ex-
ceeded
init
• The unit is
heating up
• Temperature
value un-
changed since
being switched
on?
• Contact service
Action
• Change the op-
erating mode
under menu
dir
• Define the
cartridge type
under menu
cart
• Replace the
cartridge and
reset the
counter
• Deactivate the
counter
• Adjust the op-
erating para-
meter in the
Nox counter
• Wait for the
converter to
reach the tar-
get temperat-
ure
Bühler Technologies GmbH
19
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