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10.3
Programmed outputs and inputs of a system
Enter the individual settings here for tracing!
Function controller Relays
K1
Relays
K3
Relays
K2
U1/U2
D1
D2
A1
A2
A3
E1
E2
E3
11
14
12
31
34
32
21
24
22
U1
U2
D1
D1
D2
D2
A1
GND
GND
A2
A3 GND
E1
GND
E2
GND
E3 GND
factory setting
Fault
Max.
load
Heating Ventila-
tion
non
non
Ventila-
tion
Shutter
Heat-
ing1
Com-
part-
ment
temper-
ature
fi
x
non
non
Code
|
3
|
Code
|
4
|
Code
|
1
|
Code
|
0
|
Code
|
0
|
Code
|
2
|
Code
|
1
|
Cot
1
Master
2
3
4
5
6
7
11
Malfunctions / trouble shooting
11.1
Fault messages
A momentary pending alarm or error message appears alternately with the standard display.
Display
Cause
Reaction of Controller
Remedial measures
All displays remain con-
stantly off
Defect in device
Not possible to remedy. Replacement necessary.
Fuse in power cable defective
Check fuse.
Display line not plugged in
Check the plug-in connections.
Overtemp.
Room temperature lies above the set maximum
temperature
The fault relay
“
K1
”
responds.
Check the room temperature.
Check the set maximum temperature.
Interruption of the sensor cable at the input
“
E1
”
(actual value = 149.9
°
C)
Check the sensor lead and connection.
Undertemp.
Room temperature lies below the set minimum
temperature.
The fault relay
“
K1
”
responds.
Check the room temperature
Check the set minimum temperature.
Short-circuit of the sensor cable at the input
“
E1
”
(actual value = -50.0
°
C)
Check the sensor lead and connection.
Sensor E2
Short-circuit or interruption in the sensor lead to
input
“
E2
”
Short-circuit E2 actual value = -50.0
°
C, interrup-
tion: E2 actual value = 149.9
°
C
The fault relay
“
K1
”
responds.
Check the sensor lead and connection. (Message
only if activated as the supply air temperature
sensor or as a separate sensor for heating or
shutter).
Operating Instructions
Fcontrol
–
model series FTET4/6/10AHMQ-L
Malfunctions / trouble shooting
L-BAL-E139-GB 2022/03 Index 006
Part.-No.
80/92