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MDE-4334C Atlas Start-up and Service Manual · April 2008
Page 8-5
Troubleshooting Tables (Commercial Electronic and Retail Electronic Units)
Troubleshooting Tables
Table 2: Fuel Delivery (All Units)
Al
c
o
ho
l MTB
E
%
T
o
o H
ig
h
(A
ff
ectin
g C
o
mp
on
ent
s
)
C
a
ble-
Cable
Con
n
ect
ion
C
o
il, So
leno
id V
alve
C
ont
act
or/Rese
t Relay
/Relay Bo
ard
Pu
mp
Con
trolle
r B
o
ard
F
ilter (
W
ater Alert
) T
ripp
ed
F
ilter/S
train
er/Chec
k V
alve
Clog
ged
Firmware
Firmware, Check V
e
rs
ion
F
u
el c
ont
am
inat
ed
(
A
ff
ectin
g C
o
mp
on
ent
s
)
H
o
se (
V
.R
) O-Rin
g
H
o
se (
V
.R
), Fu
el In
V
ap
o
r Secti
o
n
Pu
mp
Int
er
face Bo
ard
L
eak De
tecto
r T
ripp
e
d
L
eak in
Unit
(Hy
d
raulic)
L
inka
g
e o
r Me
chan
ical Co
mpu
ter
Ma
ster Reset
Req
u
ired
Me
ter Lo
cked/
F
rozen/B
ad
Mis
align
m
en
t/Bin
d
in
g
Mo
to
rs/Belt
s/Pulleys
No
zz
le
(
C
on
ta
m
ina
te
d,
D
a
ma
g
e
d,
B
a
d
)
Pi
pi
n
g (
Inl
e
t)
C
o
nd
it
io
n
s
Po
we
r (
E
xtern
a
l) G
roun
din
g
Po
we
r Su
pp
ly
, Main
Pro
g
ramm
ing
, Un
it (R
et
ail
E
lectron
ic)
Pu
lser
Pu
mp
ing
Unit
R
elay or ST
P
Service
Pr
o
cedu
re (p
oor)
Switc
h
/Power
, Pump
Han
d
le
T
a
nk
O
u
t of
Pro
d
u
c
t
T
e
m
p
eratu
re Lo
w (
Diesel)
V
alve (
S
olen
oid
) Hyd
raulics
V
alve/Met
er Che
ck
V
a
lve, Sh
ear
V
alve, ST
P/Dispe
n
ser/Li
n
e Ch
eck
V
ap
o
r Lin
e Back Pressu
re
V
ibrat
ion
/Bad Mo
un
tin
g
C
P
U Boa
rd
C
P
U Switch Settin
gs
Delivery, Product
2
7
9
10
14
26
27
28
29
31
34
35
39
44
45
46
50
51
52
55
58
61
62
66
77
78
79
84
90
97
98
100
106
107
11
0
11
1
11
2
11
3
Flow registered
with nozzle closed
(at turn-on)
C
A
B
A
B B
B
D
Flow registered
with nozzle closed
(continuous)
C
E
A
E
D
D
Improper nozzle
shut-off
A
A
A
C
C
Meter calibration
C
B
B
B
A B
D C D
C
B
No flow with
display reset (all
hoses, one unit)
A
C B B
B
E
D
C
C
B D
No flow with
display reset (one
hose, one unit)
A A
C B
B
E C D D B E
E
D
B
B
B
No flow, no display
reset (one hose,
one unit)
C
B
D D
B
D D C
A
B
No flow, no display
reset (multiple
Hoses, one Unit)
A
C
D D
B
D D C
A
B
Product delivered,
but not registered
D
B
C
B
C C
D A
B
Product delivered
with handle off
C
C
B C
B
B
A
B
Pulsating flow
(surging or
pulsing)
B
D
B C
C
D
A
Slow-flow (one
hose)
B
A D
C
A
C
B
D E D
E
E
C B
E
C
No flow with reset
(all hoses same
grade at station)
A
A
A B
A
Slow-flow with
reset (all hoses,
same Device)
B
A
B A
C
B
Flow stall at slow
speed
D B
A A
C B B