Nilfisk-Advance Advance Retriever 2060 Service Manual page 158

' , $ * 1 2 6 7 , & 3 5 2 & ( ' 8 5 ( 6
OK
Check fuel in
both tanks
Go to gasoline
NO GAS
no start
diagnostic
LPG YES
Repair
ground
wire
NO
Ground
continuity?
YES
Replace
ECU
ZENITH FUEL SYSTEMS,
Check fuel
selector switch
position
OK
Starts in
alternate
fuel?
Neither
fuel starts
Momentary
12v at lock-off
or gas pump
when key is on
NO
Momentary 12v
from ECU when
key is turned
on?
NO
YES
12v to
ECU?
( Q J L Q H Z R Q · W V W D U W ² G X D O I X H O
NO LPG
Go to LPG
no start
diagnostic
GAS YES
YES
Go to
no start
diagnostic
YES
Replace defective
pump and
lock-off
NO
Repair 12v
source to
ECU
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