5-8
F-581-R1
ENGINE WITH FUEL SYSTEM
Fuel Gauge Troubleshooting Flow
Chart
Shown on the next page 5-9, is a useful fuel system
troubleshooting flow chart that will assist in detecting
faulty Sonatic® FLT devices. See Figure 5-10.
Pointer in gauge fluctuates
continuously in first quarter:
(Between 0.5V and 1.5V in
0.25Hz)
No LPG cylinder fitted.
Maximum forklift limit exceeded.
Contact area soiled / frozen.
Wrong washers between Sonatica®
FLT and hinged flap.
Heavy deposits / soiling in LPG
cylinder.
> Re-couple Sonatic® FLT to
cylinder, switch ignition on again.
> Place full LPG cylinder into bracket.
> Move forklift to level location and
switch ignition off and back on.
> Carefully clear /de-ice contact area.
> Use correct washers.
> Problem is cylinder related, fill level
of this cylinder cannot be displayed
correctly.
Display value fluctuating
continuously in first half
immediately after ignition is
switched on (Between 0.5V and
2.5V in 0.25Hz).
Sensor defective.
Display value fluctuating
continuously over entire range
(Between 0.5V and 4.5V in
0.25Hz).
Calibration connection is open.
Close connection and re-calibrate.
Forklift stops even though gauge
is indicating a fill level.
LPG cylinder installed in wrong
position.
Valve or dip tube has been installed in
the LPG cylinder, in a twisted position.
Heavy deposits / soiling in the LPG
cylinder.
> Align LPG cylinder and secure.
> Problem is cylinder related, fill level
of this LPG cylinder and cannot be
correctly displayed.
> Problem is cylinder related, fill level
of this LPG cylinder and cannot be
correctly displayed.
Reset procedure unsuccessful.
No supply voltage, erroneous cabling.
> Restore supply voltage.
> Cable correctly.
Calibration unsuccessful.
Exact order not followed.
LPG cylinder not placed into bracket
correctly.
Full cylinder not installed.
Contact area soiled / frozen.
Heavy deposits / soiling in the LPG
cylinder.
> Re-calibrate.
> Fit LPG cylinder correctly and
secure, switch ignition on again.
> Place full LPG cylinder into bracket.
Carefully clean / de-ice contact
surface.
Problem is cylinder related,
Calibration cannot be performed
on this LPG cylinder.
Right reserved to make technical
changes.
Fault
Cause
Remedy
Summary of Contents for Bendi B40i4
Page 2: ......
Page 26: ...1 20 F 581 R1 INTRODUCTION SAFETY AND INSPECTION...
Page 100: ...3 52 F 581 R1 TROUBLESHOOTING AND CORRECTIVE MAINTENANCE...
Page 120: ...4 20 F 581 R1 CALIBRATION AND PROGRAMMING...
Page 129: ...ENGINE WITH FUEL SYSTEM 5 9 Figure 5 10 Fuel System Troubleshooting...
Page 133: ...ENGINE WITH FUEL SYSTEM 5 13...
Page 134: ...5 14 F 581 R1 ENGINE WITH FUEL SYSTEM...
Page 140: ...6 2 F 581 R1 GM ENGINE SUPPLIER PROVIDED DOCUMENTATION...