43
Resetting:
Ever
y malfunction [LED on controls is r
ed] must be r
eset b
y tur
ning off the fan and ,
then tur
ning the fan bac
k on aga
in.
Or:
using
VU in the 'Settings' menu,
then 'Write/r
eset'.
Ta
k
e
note:
The settings of the 'Settings' menu ar
e passed on to the fan.
Replace controls
Controls defective
-
-
-
All
Gr
een/r
ed
VU settings ar
e not
applied
Chec
k whether anything is caught in the rotor
,
or the impeller
is running against the base or the cabling to the motor
Impeller stic
ks
Nothing in particular
none
Nothing in particular
All
Gr
een
V
entilator mak
es
e
xcessive noise
replace the motor
-impeller
bearings defective
Nothing in particular
none
Nothing in particular
All
Gr
een
V
entilator mak
es
e
xcessive noise
chec
k impeller for pollution or r
eplace the motor
-impeller
Impeller out of balance
Nothing in particular
none
Nothing in particular
All
Gr
een
V
entilator vibr
ates
Replace controls
-
-
Temper
atur
e controls
-
All
Red
Does not rotate
Replace controls
-
-
Inter
nal
communications error
-
All
Red
Does not rotate
Replace controls
Controls defective
-
No connection
230V~ between
‘L
’ and the
‘N’
All
Out
Does not rotate
Chec
k oper
ating switc
h connection end the electrical installation
No curr
ent
-
No connection
No 230V~ between
‘L
’ and the
‘N’
All
Out
Does not rotate
Chec
k (wiring to) motor
-impeller and r
eplace if necessar
y
Br
eak in motor
controls wiring
Speed:
0 r
ev/min
Sensor:
1 Pa
Hall sensor
15V= between
‘+15V’ and the
‘GND U4’ clamp
All
Red
Does not rotate
Chec
k (wiring to) motor
-impeller and r
eplace if necessar
y
Br
eak in motor
controls wiring
Speed:
0 r
ev/min
Sensor:
1 Pa
Motor bloc
k
e
d
15V= between
‘+15V’ and the
‘GND U4’ clamp
All
Red
Does not rotate
Replace controls
Controls defective
Speed:
0 r
ev/min
Motor bloc
k
e
d
No 15V= between
‘+15V’ and the
‘GND U4’ clamp
All
Red
Does not rotate
Chec
k r
elease cir
cuit,
also between the MX
and the r
egulators,
see secind tabel
Br
eak in the
release cir
cuit
Speed:
0 r
ev/min
None
No 10
V= or mor
e
at r
elease contact
All
Gr
een
Does not rotate
Chec
k wiring and the pr
essur
e tr
ansmitter
,
if necessar
y r
eplace them,
see pr
eceding page
(Wiring to) p
ressur
e
tr
ansmitter is defective
Sensor:
[±] 300 Pa
None
18V = between
‘18V’ and the
‘GRD U3’ clamp of the controls
ZMV
Gr
een
Rotates constantly at
minimum speed
Replace controls
Controls defective
Sensor:
[±] 300 Pa
None
No 18V = between
‘18V’ and the
‘GRD U3’ clamp of the controls
ZMV
Gr
een
Rotates constantly at
minimum speed
Chec
k pr
essur
e mesur
e point/hose bloc
k
ed or lose
No pr
essur
e differ
ence
is measur
ed
Sensor:
1 Pa
None
18V = between
‘18V’ and the
‘GRD U3’,
clamp
0V = between
‘Eist’ and the
‘GRD U3’ clamp of the controls
ZMV
Gr
een
Rotates constantly at
maximum speed
Chec
k wiring and the pr
essur
e tr
ansmitter
,
if necessar
y r
eplace them,
see pr
eceding page
(Wiring to) p
ressur
e
tr
ansmitter is defective
Sensor:
1 Pa
None
18V = between
‘18V’ and the
‘GRD U3’,
clamp
0V = between
‘Eist’ and the
‘GRD U3’ clamp of the controls
ZMV
Gr
een
Rotates constantly at
maximum speed
Replace controls
Controls defective
Sensor:
1 Pa
None
0V = between
‘18V’ and the
‘GRD U3’ clamp of the controls
ZMV
Gr
een
Rotates constantly at
maximum speed
Chec
k r
egulator end the wiring
,
if necessar
y r
eplace them,
see the
second tabel
(Wiring to) r
egulator is
brok
en
Accor
ding to
‘settings’
lo
w
None
if
‘10V’ and the
‘Esoll’,
clamps ar
e connected,
ventilator does
speed up
. Disconnect the
‘Esoll’ wir
e
Exter
nal
regulators
Gr
een
Rotates constantly at
lo
w speed
Replace controls
Controls defective
Accor
ding to
‘settings’
lo
w
None
if
‘10V’ and the
‘Esoll’,
clamps ar
e connected,
ventilator does
not speed up
. Disconnect the
‘Esoll’ wir
e.
Exter
nal
regulators
Gr
een
Rotates constantly at
lo
w speed
Chec
k r
egulator end the wiring
,
if necessar
y r
eplace them
(Wiring to) r
egulator is
brok
en (GND U3)
Accor
ding to
‘settings’
high
None
10
V = between
‘Esoll’ and the
‘GND U3’,
regulator is in the r
egulating position
Exter
nal
regulators
Gr
een
Rotates constantly at
high speed
Chec
k for damaged parts end if necessar
y r
eplace them
Impeller stic
ks
Speed is lo
wer than
requir
ed
Motor temper
atur
e
15V = between
‘15V’ and the
‘GND U4’ clamp
7V = between
‘TW PTC’ and the
‘GND U4’ clamp
All
Red
Rotates to slo
wly and
mak
es too muc
h noise
Replace the motor/impeller combinatoin
Motor runs with difficulty
Speed is lo
wer than
requir
ed
Motor temper
atur
e
15V = between
‘15V’ and the
‘GND U4’ clamp
7V = between
‘TW PTC’ and the
‘GND U4’ clamp
All
Red
Rotates to slo
w
ly
Action
Cause
Particulars in
‘Status”
menu
Display in menu
‘Malfunctions’
What do I mesur
e
Possible for
LED on
controls
Complaint
english