Malfunction Messages - Fasel Elektronik FCU2000 Operating Manual

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
000 Internal time error
STB circuit open,
100
STB
200 Heater sensor
short circuit
201 Heater sensor in-
terruption
210 Bench sensor
short circuit
211 Bench sensor in-
terruption
220 Wall sensor short
circuit
221 Wall sensor inter-
ruption
300 Humidistat
400 External malfunc-
tion message
Sauna control FCU2x00/FCU3x00/FCU4x00 Version V 2.09
Possible causes
Internal time error
The connection to the
safety temperature lim-
iter (STB) is broken or
the thermal fuse was
destroyed by very high
temperature.
Short circuit heater
sensor
Cable break heater
sensor
Contact terminals
Short circuit bench
sensor
Cable break bench
sensor
Contact terminals
Short circuit wall sensor
Cable break wall sen-
sor
Contact terminals
The humidity sensor is
interrupted or shorted.
Optional input of control
unit, for example, Gas
burner.
Troubleshooting
Check STB.
Check cable.
Check terminals 29 and 30.
Check cable.
Check terminals 27 and 28.
Check cable.
Check terminals 27 and 28.
Check cable.
Check terminals 31 and 32.
Check cable.
Check terminals 31 and 32.
Check cable.
Check terminals 33 and 34.
Check cable.
Check terminals 33 and 34.
Check terminal 21 - 23
Note: The control unit can
continue to be operated with
time-controlled humidity. Ac-
knowledge error display. Dis-
connect humidistat.
Acknowledge error.
Rectify malfunction in external
device.
Malfunctions
To be carried
out by
Service engi-
neer
Electrician / ser-
vice engineer
Electrician / ser-
vice engineer
Electrician / ser-
vice engineer
Electrician/
Service engi-
neer
Electrician / ser-
vice engineer
Electrician / ser-
vice engineer
Electrician / ser-
vice engineer
Electrician / ser-
vice engineer
User /
Service engi-
neer
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