Table of Contents
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54
mm mm mm mm
page
–
Code
Description
1
Communication er-
ror with control
unit, attachment
(D791-1).
2
Communication er-
ror with control
unit, attachment
option (D791-2).
3
Communication er-
ror with control
unit, attachment
left leg pair (D791-
3).
4
Communication er-
ror with control
unit, attachment
right leg pair (D791-
4).
5
Communication er-
ror with Control unit
frame rear (D797-R).
6
Communication er-
ror with Control unit
frame front (D797-
F).
UDRF01.04GB
D Error codes – 8 Control system
8 Control system
Error codes machine
Limitation
Action
Attachment
Use diagnostic menu to lo-
functions not
calise incorrect segment.
working.
Levelling, tilt,
Use diagnostic menu to lo-
over-height
calise incorrect segment.
extension
not working.
Left side of
Use diagnostic menu to lo-
combi at-
calise incorrect segment.
tachment
not working.
Right side of
Use diagnostic menu to lo-
combi at-
calise incorrect segment.
tachment
not working.
Lighting rear,
Use diagnostic menu to lo-
hydraulic oil
calise incorrect segment.
cooling,
overload sys-
tem, exten-
sion not
working.
Front light-
Use diagnostic menu to lo-
ing, lift, ex-
calise incorrect segment.
tension,
brake lights,
brake cool-
ing not work-
ing.
Maintenance manual DRF 400–450
https://www.forkliftpdfmanuals.com/
Connec-
Diag-
Function
tion and
nostic
group
compo-
menu
nent
Varies de-
CAN/
11.6.2 Redun-
pending
POWER,
dant CAN bus
on ma-
menu 2
chine con-
figuration.
Varies de-
CAN/
11.6.2 Redun-
pending
POWER,
dant CAN bus
on ma-
menu 2
chine con-
figuration.
Varies de-
CAN/
11.6.2 Redun-
pending
POWER,
dant CAN bus
on ma-
menu 2
chine con-
figuration.
Varies de-
CAN/
11.6.2 Redun-
pending
POWER,
dant CAN bus
on ma-
menu 2
chine con-
figuration.
Varies de-
CAN/
11.6.2 Redun-
pending
POWER,
dant CAN bus
on ma-
menu 2
chine con-
figuration.
Varies de-
CAN/
11.6.2 Redun-
pending
POWER,
dant CAN bus
on ma-
menu 2
chine con-
figuration.
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Troubleshooting
