Display
Cause
Reaction of Controller
Remedial measures
Weight
Shortcut earth, that means Shortcut between one
motor wire and PE
The unit cuts out and does not switch on again.
Disconnect the device from mains.
Check motor wires.
A permanent shortcut earth can damage the
device!
DC-Voltage
DC overvoltage because of shortcut earth at
switch-on.
The unit cuts out.
Disconnect the device from mains.
Check motor wires.
Messages in operation as master
Common alarm
General alarm via Bus.
Example for fault on device no. 4
•
Check the device with fault
Buserror
Bus connection interrupted
Example for interruption on device no. 2
•
Check all stall numbers
•
Checking the Bus connections
•
Checking of voltage supply
Exhaust air sum
Exhaust air volume of 100 % was exceeded
(totalling function)
•
Check the exhaust air percentages on every
regulator (
“
fan
”
Exhaust air percentage
“
) They
may not add up to more than 100 %.
11.2
Behaviour of outputs during operation and faults
Description of factory settings
Output
U1/U2
K1
K2
K3
A1
A2
A3
Function
|
0
|
Ventilation
|
3
|
Fault
|
1
|
Heating1
|
4
|
Peak load
)1
|
0
|
Ventilation
|
2
|
Shutter
|
1
|
Heating 1
)2
Information
Brake con-
trol
Fault = 11-
12
OFF = 21-22
ON = 21-24
OFF = 31-34
ON = 31-32
not in-
verted
Inverting
not in-
verted
Output state
switches =
Auto
Operation without fault
0 - 100 %
11-14
21-22
21-24
31-34
31-32
0 - 10 V
10 - 0 V
0 - 10 V
Key 11
Stall off
0 %
11-14
21-22
21-22
31-34
31-34
0 V
CLOSED =
10 V
OFF = 0 V
Cot Preheating )3
0 %
11-14
21-24
21-24
31-34
31-34
0 V
CLOSED =
10 V
0 - 10 V
Cot Washing )4
Wash ven-
tilation
11-14
21-24
21-24
31-32
31-32
Wash ven-
tilation
10 - 0 V
Wash set-
point
Faults:
Motor fault (TB-TB inter-
rupted)
0 %
11-12
21-22
21-24
31-34
31-32
0 - 10 V
10 - 0 V
0 - 10 V
Fault: Fan (D2 - D2) in-
terrupted
0 - 100 %
11-12
21-22
21-24
31-34
31-32
0 - 10 V
10 - 0 V
0 - 10 V
Overtemperature
0 - 100 %
11-12
21-22
21-24
31-34
31-32
0 - 10 V
10 - 0 V
0 - 10 V
Operating Instructions
Fcontrol
–
model series FTET4/6/10AHMQ-L
Malfunctions / trouble shooting
L-BAL-E139-GB 2022/03 Index 006
Part.-No.
82/92
