Fasel Elektronik FCU6x00 Series, Installation And Operating Manual

Page: 28 / 36

Faults
28 Installation and Operating Manual / Version V 1.02
In case of a fault during operation, the display will alternately show the cause, error
number and troubleshooting option.
If the cause cannot be resolved by the end user, please make a note of all displayed
messages and contact your service technician.
No. Fault Possible causes Troubleshooting To be carried
out by
000 Internal time error Internal time error
Service engi-
neer
100
STB circuit open,
STB The connection to the
safety temperature lim-
iter (STB) is interrupted
or the thermal fuse is
destroyed due to a ex-
cessively high tempera-
ture. 
Check STB.

Check cable.

Check clamps 29 and 30.
Qualified electri-
cian/service en-
gineer
200 Oven sensor
short-circuit Oven sensor short-
circuit

Check cable.

Check clamps 27 and 28.
Qualified electri-
cian/service en-
gineer
201 Oven sensor inter-
ruption Oven sensor cable
break
Clamp contacts

Check cable.

Check clamps 27 and 28.
Qualified electri-
cian/service en-
gineer
210 Short circuit in
bench sensor Bench sensor short cir-
cuit

Check cable.

Check clamps 31 and 32.
Qualified electri-
cian/service en-
gineer
211 Interruption in
bench sensor Cable breakage in the
bench sensor
Clamp contacts

Check cable.

Check clamps 31 and 32.
Qualified electri-
cian/service en-
gineer
220 Short circuit in wall
sensor Wall sensor short cir-
cuit

Check cable.

Check clamps 33 and 34.
Qualified electri-
cian/service en-
gineer
221 Interruption in wall
sensor Cable breakage in the
wall sensor
Clamp contacts

Check cable.

Check clamps 33 and 34.
Qualified electri-
cian/service en-
gineer
300 Humidistat The humidistat is inter-
rupted or has short cir-
cuited
Check clamps 21
–23.
Note: The control unit can re-
main in operation as a control
unit with time-controlled hu-
midity. Acknowledge the error
Disconnect the humidistat.
Qualified electri-
cian/service en-
gineer
400 External error
message Option input on the
control unit, e.g. gas
burner
Acknowledge error.
Eliminate malfunction in exter-
nal device. User /
Service engi-
neer
11C I²C error Error in I²C Bus
Switch off mains, wait for a
while, switch on and contact
the service engineer if the er-
ror occurs again. Service engi-
neer
485 RS485 error Error in RS485 bus Switch off mains, wait for a
while, switch on and contact Service engi-