Fasel Elektronik FCU2000 Series, Operating Manual

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Malfunctions
Sauna control FCU2x00/FCU3x00/FCU4x00 Version V 2.09 47
9.4 Malfunction messages
Possible malfunctions and troubleshooting measures are described in this chapter.
Contact the installer or the dealer of your sauna systems for malfunctions that are not
described below. See the invoice, delivery note or the reverse of this manual for the ad-
dress.
If the error occurs during operation, then the display alternately shows the cause, the er-
ror number and the possible rectification.
If the error cannot be rectified by the end user, please note down the shown display and
contact your service technician.
No. Malfunction 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 broken or
the thermal fuse was
destroyed by very high
temperature.
Check STB.
Check cable.
Check terminals 29 and 30.
Electrician / ser-
vice engineer
200 Heater sensor
short circuit Short circuit heater
sensor Check cable.
Check terminals 27 and 28.
Electrician / ser-
vice engineer
201 Heater sensor in-
terruption Cable break heater
sensor
Contact terminals
Check cable.
Check terminals 27 and 28.
Electrician / ser-
vice engineer
210 Bench sensor
short circuit Short circuit bench
sensor Check cable.
Check terminals 31 and 32.
Electrician/
Service engi-
neer
211 Bench sensor in-
terruption Cable break bench
sensor
Contact terminals
Check cable.
Check terminals 31 and 32.
Electrician / ser-
vice engineer
220 Wall sensor short
circuit Short circuit wall sensor Check cable.
Check terminals 33 and 34.
Electrician / ser-
vice engineer
221 Wall sensor inter-
ruption Cable break wall sen-
sor
Contact terminals
Check cable.
Check terminals 33 and 34.
Electrician / ser-
vice engineer
300 Humidistat The humidity sensor is
interrupted or shorted.
Check terminal 21 - 23
Note: The control unit can
continue to be operated with
time-controlled humidity. Ac-
knowledge error display. Dis-
connect humidistat. Electrician / ser-
vice engineer
400 External malfunc-
tion message Optional input of control
unit, for example, Gas
burner.
Acknowledge error.
Rectify malfunction in external
device. User /
Service engi-
neer