Possible cause
Truck response
Rectifying the error
Error number A3140
Incorrect measurements
caused by a reflective object in
the light signal path between
the sensor and reflector (for-
eign signal)
Lifting functions can only be
operated in emergency opera-
tion. See the following section
"Emergency operation in the
event of malfunctions in the
height measuring system".
● Check the light signal path
between the sensor and the re-
flector. Remove obstacles.
Then fully lower the fork to ref-
erence the system.
● If the error persists, contact
the authorised service centre.
Error number A3141
● Sensor failure, e.g. due to a
cable break or internal error
Lifting functions can only be
operated in emergency opera-
tion. See the following section
"Emergency operation in the
event of malfunctions in the
height measuring system".
Contact your authorised serv-
ice centre.
Error number A3142
Sensor overheating
Lifting functions can only be
operated in emergency opera-
tion. See the following section
"Emergency operation in the
event of malfunctions in the
height measuring system".
● Avoid strong sunlight and
proximity to other heat sour-
ces. Allow the sensor to cool
down.
● If the error persists, contact
the authorised service centre.
Error number A3143
● The reflector or sensor is
very dirty or fogged up
or
● Short interruption (min. 2
seconds) in the light signal, for
example, through packaging
material
Lifting functions can only be
operated in emergency opera-
tion. See the following section
"Emergency operation in the
event of malfunctions in the
height measuring system".
● Error message received after
2 second interruption
● Lift height not displayed
● Lift height preselector not
available
● Clean the sensor glass and
the reflector. Observe the infor-
mation in the section entitled
"Cleaning the optical height
measuring system".
● Check the light signal path
between the sensor and the re-
flector. Remove obstacles.
Then fully lower the fork to ref-
erence the system.
● If the error persists, contact
the authorised service centre.
Emergency operation in the event of
malfunctions in the height measuring
system
In the event of a malfunction in the height
measurement, the truck switches to emergen-
cy operation.
In emergency operation, features that are de-
pendent on the lift height are not available:
●
Lift height display
●
Lift height preselector
Operating
4
Auxiliary equipment
183
50988078001 EN - 11/2021 - 10
Summary of Contents for FM-X 10 N
Page 2: ......
Page 4: ......
Page 13: ...1 Foreword ...
Page 33: ...2 Safety ...
Page 51: ...Safety 2 Residual risk 39 50988078001 EN 11 2021 10 ...
Page 67: ...3 Overviews ...
Page 84: ...Overviews 3 Operating devices and display elements 72 50988078001 EN 11 2021 10 ...
Page 85: ...4 Operating ...
Page 311: ...5 Maintenance ...
Page 318: ...Maintenance 5 General maintenance information 306 50988078001 EN 11 2021 10 ...
Page 324: ...Maintenance 5 General maintenance information 312 50988078001 EN 11 2021 10 ...
Page 337: ...6 Technical data ...
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