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Display
Code*
LED Code
Relais switches
**
Possible cause
Reaction of Controller
internal
Opera-
tion
Fault
Adjustment
Earth fault
AL
5
1
1
Short-circuit at motor con-
nection to earth (U, V, W)
Inverter switches off motor.
New start-up attempt after
about one minute (4x error then
lock).
Check motor connection cable.
Line Fault
Err
4
0
1
The device is provided
with a built-in phase-moni-
toring function for the
mains supply. In the event
of a mains interruption
(failure of a fuse or mains
phase) the unit switches
off after a delay (approx.
60 ms).
If the voltage supply returns
within 5 s, the device automati-
cally switches itself back on.
In the case3of mains interrup-
tions over 10 sec. the error
message
“
Line fault
”
appears.
A startup attempt takes place
approximately every 60 sec.
until all three mains phases are
available.
Check power supply
Motor fault
Err
2
1
1
A connected thermostat or
thermistor has tripped the
circuit or interruption be-
tween both terminals
“
TB/TP
”
or
“
TK/PTC
”
The unit then remains switched
off. A programmed operating
and fault-indicating relay is trig-
gering
Check motor and connection
then reset
Motorheating
Msg
0
0
The motor heating was ac-
tivated via digital input.
Informational message
External NTC error
AL
0
1
wire failure NTC
only warning message
External error
AL
0
selecta-
ble
Alarm from external con-
tact
Device continues working un-
changed
check contacts
Modulation
AL
-
0
selecta-
ble
Set limit for modulation ex-
ceeded
Device continues working un-
changed
Lmt E1 min
AL
-
0
selecta-
ble
Set limit for input signal
“
E1
”
dropped below
Device continues working un-
changed
Check setting and input signal
Lmt E1 max.
AL
-
0
selecta-
ble
Set limit for input signal
“
E1
”
exceeded
Lmt E2 min.
AL
-
0
selecta-
ble
Set limit for input signal
“
E2
”
dropped below
Device continues working un-
changed
Check setting and input signal
Lmt E2 max.
AL
-
0
selecta-
ble
Set limit for input signal
“
E1
”
exceeded
Operating Instructions
Icontrol
–
model series FXDM
Events / Fault signals
L-BAL-E036-GB 1422 Index 008
Part.-No. 00154773-GB
86/96