4.2 Troubleshooting
Error / Failure
The charger is connected to
power. The display is blank,
not charging.
The battery is connected to the
charger and the charger is
switched on. Not charging.
The LED shows symbols not
listed in the operator's manual.
Display
M
read-out
Display
O
read-out
Display
P
read-out
Display
Q
read-out
Display
R
read-out
Display
S
read-out
Display
T
read-out
Possible causes
Not connected to 230 V
alternating current.
Charger defective.
The battery is deep discharged.
The charger is unable to detect
the battery voltage.
This could be a software error.
Charger defective.
The charger is unable to detect
the battery voltage.
The battery was disconnected
from the charger during charging:
open circuit
The charger has detected a
defective battery with high
resistance.
The charger has detected a
battery voltage above 29.4 V.
Short circuit.
Overheat protection has switched
°
off the charger at 85 C or
higher.
The voltage of a 12 or 24 V
battery is below 3.5 V.
Solutions, corrective action
Check the fuses of the mains
connection and ensure the
charger is connected to a 230 V
alternating current power supply.
Please consult a qualified
professional.
Press the "Emergency mode"
button
to start charging
6
manually.
Disconnect the charger from the
mains and repeat the charging
process.
Please consult a qualified
professional.
Press the "Emergency Mode"
button
to start charging
6
manually.
Check for proper contact and
correctly seated clamps.
Unable to charge battery.
Unable to charge battery.
Check the battery. Please note the
instructions for use inside the
operator's manual.
Allow the charger to cool off and
repeat the process.
Unable to charge battery.
Battery defective!
GB
31
6