Jungheinrich EME 112, Operating Instructions Manual

Page: 45 / 65

0708
.GB
F 10
10.2 Fault identification (flash codes emitted by the LED on the control board)
The control board is fitted with an LED (7) for fault identification purposes. The type
of fault can be identified by the flash signal.
m
The faults described below must only be eliminated by trained personnel or after-sa-
les service technicians.
The flash or light codes have the following meaning:
Flash
code
Possible cause Fault elimination
1x
– Control fault
– RAM fault
– Replace control
2x – Drive overloaded
– Power section defective – Remove overload condition
– Replace control
3x – Overtemperature in power section – Switch off truck and let cool
down
4x – Battery voltage low – Charge battery
5x Overvoltage
– Control error
– Battery defective
– Faulty connection
– Power section defective
– Switch off truck and switch on
again after approx. 5 seconds.
– Check connections and replace,
if necessary
– Replace control
6x – Control signals for rotational direc-
tion or speed are issued in wrong
sequence / combination
– Check drive switch and associa-
ted connecting cable and repla-
ce, if necessary
7x – Motor connection faulty – Check motor connections and
replace, if necessary
8x – Brake defective – Repair brake,
replace, if necessary
12x – Monitoring of the collision protection
switch (ground identification switch
actuated upon start or defective
– Let go collision protection switch
– Replace collision protection
switch
+ U V W -
X1
X3
X4
X5
7
0708
.GB
F 10
10.2 Fault identification (flash codes emitted by the LED on the control board)
The control board is fitted with an LED (7) for fault identification purposes. The type
of fault can be identified by the flash signal.
m
The faults described below must only be eliminated by trained personnel or after-sa-
les service technicians.
The flash or light codes have the following meaning:
Flash
code
Possible cause Fault elimination
1x
– Control fault
– RAM fault
– Replace control
2x – Drive overloaded
– Power section defective – Remove overload condition
– Replace control
3x – Overtemperature in power section – Switch off truck and let cool
down
4x – Battery voltage low – Charge battery
5x Overvoltage
– Control error
– Battery defective
– Faulty connection
– Power section defective
– Switch off truck and switch on
again after approx. 5 seconds.
– Check connections and replace,
if necessary
– Replace control
6x – Control signals for rotational direc-
tion or speed are issued in wrong
sequence / combination
– Check drive switch and associa-
ted connecting cable and repla-
ce, if necessary
7x – Motor connection faulty – Check motor connections and
replace, if necessary
8x – Brake defective – Repair brake,
replace, if necessary
12x – Monitoring of the collision protection
switch (ground identification switch
actuated upon start or defective
– Let go collision protection switch
– Replace collision protection
switch
+ U V W -
X1
X3
X4
X5
7