Eberspächer D 4 L, B 4 L Troubleshooting And Repair Manual
Luftheizgerat D 4
http://sales.butlertechnik.com/eberspacher/eberspacher-air-heater-spare-parts/d4l
www.butlertechnik.com
www.sales.butlertechnik.com
L/B
4 L
Storungssuche und Reparaturanleitung
Troubleshooting and repair manual
Felsokning och reparationsanvisning
Detection des pannes
et
instructions de reparations
6)
GOltig tor die Gerate-AusfOhrungen:
D 4 L - Universal 25 1422 00 00 00 - 12
25 1423 00 00 00 - 24 v
D4L-8
D4L-K
8 4 L-Universal 20 1549 00 00 00
84L-8
25 147 4 00 00 00 -
25 1475 00 00 00 - 24 v
25
1451
00 00 00 - 12 v
25 1452 00 00 00 - 24 v
25 1488 00 00 00 - 12 v
25 1489 00 00 00 - 24 v
25 1550 00 00 00 25
1551
00 00 00 - 24 v
-12
20 1550
20 1599 00 00 00 - 12 v
00 00 00 - 24
12
12
V
v
v
V
v
For heater designs:
D 4 L-Universal 25 1422 00 00 00
25 1423 00 00 00 - 24
04
L-8
D4L-K
8 4 L - Universal 20 1549 00 00 00 - 12 V
84L-8
25 1474 00 00 00
25
14
75 00 00 00 - 24 v
25
1451
00 00 00 - 12 v
25 1452 00 00 00 - 24 v
25 1488 00 00 00 - 12 v
25 1489 00 00 00 - 24 v
25 1550 00 00 00 - 12 v
25
1551
00 00 00 - 24 v
20 1550 00 00 00
20 1599 00 00 00 - 12 v
-12
V
v
-12
v
- 24 v
Eberspacher
J. Eberspacher
Eberspacherstr.
D-73730 Esslingen
Telefon (zentral)
(0711)
939-00
Telefax
(0711) 9 39-05 00
24
e
GEi.iier
for foljande varmaretyper:
L-Universal
D 4
D4L-8
D4L-K
8 4
L-Universal
84L-8
25 1422 00 00
25 1423 00
25 1474 00 00 00
25 1475 00 00 00 - 24 v
25
1451
25 1452 00 00 00 - 24 v
25 1488 00 00 00 - 12 v
25 1489 00 00 00 - 24 v
25 1550 00 00 00 - 12 v
25
1551
20 1549 00 00
20 1550 00 00 00 - 24
20 1599 00 00 00 - 12 v
00-12
00 00 - 24
00 00 00 - 12 v
00 00 00 - 24 v
00-12
-12
V
v
v
V
v
G
Valable pour les modeles d'appareils:
D 4 L-Universal
D 4 L - 8 25 14 7 4 00 00 00 - 12 V
D4L-K
8 4
L-Universal
84
L-8
251422
25 1423 00 00 00 - 24
251475000000-24V
25
25 1452 00 00 00 - 24 v
25 1488 00 00 00 - 12 v
25 1489 00 00 00 - 24 v
25 1550 00 00 00 - 12 v
25
20
20 1550
20 1599 00 00 00 - 12 v
00 00 00
1451
00 00 00 - 12 v
1551
00 00 00 - 24 v
154900
00 00 - 12 V
00
00
-12
00-24
v
V
v
251422 95 03
61.
08.1991.
Anderungen vorbehalten. Printed in Germany. © Copyright J. Eberspacher.
C13.1/C15.
TROUBLE SHOOTING
http://sales.butlertechnik.com/eberspacher/eberspacher-air-heater-spare-parts/d4l
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www.sales.butlertechnik.com
Conduct
Heater
blower
does
off.
Heater
and
soots.
Insufficient
heating.
test
with heating
(delayed
shutoff)
not
switch
smokes
capacity
Replace
switch.
Combustion
or
or
necessary.
Are
clogged
Replace
set
at
"Full".
temperature
air
pipe
pipe
dirty
exhaust
clogged? Clean
No
the
heating
ducts
or
damaged?
if
necessary.
if
B4L
,--------------,
: Exchange air solenoid.
j
""-----+--
r-------
I I Yes
:\lo
'
The
I
I
must
the
set
solenoid
be
heating
at
1-1•-'
'-------------'
No
......
,,.
Does
the
the
required
check values)?
opened
"Full".
only
blower
-----,
air
capacity
D4L
run
speed
~
___
with
(see
is
J
1
t-t•"""f
1
1
No
.......
,,.
No
valve
when
Clean/replace
filter/cup
metering
fuel
metering
Measure
(see
check
the
fuel
Exchanger
sieve
pump,
fuel
supply
fuel
in
the
or
pump.
No
supply
values);
correct?
blower.
fuel
replace
is
Heater
does
ignite.
Heater
goes
spontaneously.
not
out
Charge
drive
Is
the
too
low?
battery
motor.
Yes
battery
or
start
voltage
Too
little
pumped?
heating
at"
Full"
values).
Replace
No
Replace
switch.
ture
switch
the
glow
sec.
after
No
Does
the
switch
now
glow
plug
sec.
after
, Yes
~
fuel
being
Measure
capacity
(see
check
control
temperature
Does
the
tempera-
now
cut
plug
approx.
ignition?
temperature
cut
out
approx.
ignition?
when
set
unit.
out
the
50
50
Yes
....
...
Clean/replace
filter/cup
metering
fuel
sieve
pump,
metering
fuel
in
the
or
pump.
fuel
replace
No
Check
fuses
in
positive
replace
or
(0
N
0
N
press
of
automatic
and
pump
if
necessary,
reset
buttons
fuses.
the
lines,
Yes
No
4
The
following
should
be
in 3 min.,
safety
switch
If
necessary,
briefly
off
checks
carried
out
otherwise
wi
II
switch
and
on
the
cut
unit
again.
without.
Check values:
http://sales.butlertechnik.com/eberspacher/eberspacher-air-heater-spare-parts/d4l
www.butlertechnik.com
www.sales.butlertechnik.com
Rated voltage . . . . . . . . . . . . . . . . . . . . . . . . . . 12
Temperature
Blower speed at rated voltage
Fuel supply quantity see page 24/26
switch
delay
...........
.......
(corresponding
pump strokes
(in
60
to 120 seconds
5,225 to 5,725 rpm
to
316 to 350
per
"Full"
VI
24
V
minute)
position)
Replace
Check
necessary replace
Is
glow
Does
(See
prescribed
control
glow
coil,
Yes~
~
there
voltage
plug
coil?
Yes~
~
the
blower
check
values
speed).
,
Yes~
unit.
if
on
run?
plug.
the
for
....__
~
~
No
LJ
Replace
Is
there a positive
negative
motor?
Check
fresh
bustion
air
running.
run
now?
No
control
.4
voltage
~
wheel
Does
~
I
~
~
air
and
the
..
unit
No
and
at
No
com-
for
blower
.
the
free
Yes
....
...
Yes
.....
~
...
Yes
Replace
Unscrew
connect
cable.
tive
ignition
only
cable.
for
blower.
ignition
high
Connect
Are
sparks?
B4L
plug,
tension
nega-
there
No
.....
...
Check
the
for
or
ignition
ignition
continuity;
cable
if
necessary replace
plug
I
coil.
Switch
off
the
Does
pump
the
tick?
fuel
metering
-
Yes
.....
...
remove
heating
Does
fuel
fuel
unit
egress?
pipe
.
plug,
on
Not
Check
safety
fuse
if
necessary,
reset
thermal
and
_button
thermal
the
pump
switch,
of
cutout
or
•
Does
have
Replace
the
metering
positive
,
No~
control
pump
voltage?
unit.
cutout
replace
press
automatic
fuse.
Does
,now
tick?
.....
....
No
Yes
......
....
5
Bleed
fuel
filter/cup
replace
Are
there pulses
contact
con
tacts
pump
Yes~
Replace
fuel
line,
repla_ce
sieve,
fuel
pump.
of
the
of
on
metering
breaker
(approx. 6 per
,
pump.
the
the
sec.)?
No
....
....
Measure fuel
(see
check values).
Replace
blower.
supply
SCHALTPLAN
http://sales.butlertechnik.com/eberspacher/eberspacher-air-heater-spare-parts/d4l
www.butlertechnik.com
www.sales.butlertechnik.com
CIRCUIT DIAGRAM
LEDNINGSSCHEMA
SCHEMA DE CONNEXIONS
00
00
00
00
00
00
00
00
00
00
00
00
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,....
lO
C\J
I
"<!"
C\J
C\J
lO
lO
"<!" "<!"
,....
,....
lO lO
C\J
C\J
I I
>>
C\J
"<!"
,....
C\J
C\J
C\J
"<!"
,....
lO
C\J
I
>>
C\J
,....
(ij
en
.....
Q)
.::::
c:
:::>
I
_J
"<!"
0
~
-
ca
0..
E
0
~
I
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0
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5
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c.
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r-+-1----1--1--
L-t--+---l--1•
1•ws
1,&sw/ws--~
1•
gn/ws
br
----o-
----o._,•
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ge
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