Liebherr R984C Fault Codes DTC
Malfunctions
Error code charts
Operating instructions
4.1 Error code charts
Danger!
When switching over to emergency operation, the speed can no longer be changed
using the arrow keys on the monitoring screen. The servo control, parking brake
and swing gear brake can no longer be activated.
Please also note the subheading Emergency operations in the chapter Operating the machine in this regard.
Error code Effect Cause Measure / remedy
E 004 Engine coolant level Short circuit to earth Check engine coolant level.
E 005 Short circuit + 24 V
E 006 Cable break
E 010 Hydraulic oil level not being
E 011 Short circuit + 24 V
E 012 Cable break
E 013 Hydraulic oil temperature not
E 014 Short circuit + 24 V
E 015 Cable break
E 016 Gear oil temperature Short circuit to earth Check gear oil temperature.
E 017 Short circuit + 24 V
E 018 Cable break
E 022 Diesel engine RPM Short circuit to earth
E 023 Short circuit + 24 V
E 024 Cable break
E 027 Solenoid valve for power con-
E 033 Solenoid valve for cooler fan
E 036 Solenoid valve for flow con-
E 039 Solenoid valve for flow con-
E 042 Solenoid valve - Reserve
E 045 Solenoid valve - Pressure op-
E 068 Fan RPM Fan RPM defective
E 302 Keyboard No coding plug
E 303 Keyboard No CAN bus connection to
E 305 Keyboard No CAN bus connection to
E 308 Display No connection between
monitored.
being monitored.
trol (LR)
regulation (EV5)
trol (hydraulic pump 1) EV1
trol (hydraulic pump 1) EV2
(EV3)
erate (EV6)
Short circuit to earth Check hydraulic oil level.
Short circuit to earth Check that the radiator is not dirty.
Cable break
Cable break
Cable break
Cable break
Cable break
Cable break
BST
ESP01 board
keyboard and display
4 -
2
MJFCIFSS
R 984 C - Litronic / 10069859
Operating instructions
Error code Effect Cause Measure / remedy
E 309 Display No Software compatibility
between keyboard and
display
E 319 BST No compatibility between
hardware coding and software coding
E 321 BST No reception of recog-
nised machine typ by BBT
E 322 BST Unknown Hardware cod-
ing
E 442 Joystick left Short circuit + 24 V
E 443 Short circuit to earth or
Cable break
E 445 Joystick right Short circuit + 24 V
E 446 Short circuit to earth or
Cable break
E 450 The pressure for pressure-
less boom down movement
not being monitored.
E 454 Rotation gear speed Short circuit + 24 V
E 455 Short circuit to earth or
E 456 Fuel tank sensor Short circuit + 24 V
E 458 Short circuit to earth or
Cable break
Cable break
Cable break
Malfunctions
Faults and remedies
4.2 Faults and remedies
4.2.1 Diesel engine and fuel system
Fault / error Cause Solution
Diesel engine does not start Fuel tank almost or completely emp-tyFill tank and vent fuel system
Low pressure in tank Remove fuel filler cap
Fuel filter dirty Clean or change filter and vent fuel
system, drain fuel / clean tank
Outside temperature below 0°C For operation under specific climatic
conditions, see operating instructions
Starter motor not drawing through Check line connections, overhaul
starter motor
Batteries have no power Charge / replace
R 984 C - Litronic / 10069859
MJFCIFSS
4 - 3
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