Nilfisk-Advance SC2000 - Page 25

Control System 25Service Manual – SC2000
Function Electronic Board (EB1) Alarm Codes (Continues)
On-board Battery Charger Alarms
Alarm code
--------------------------
Description
Meaning Condition
Effect Service Suggestions
C1
-----------------------
CHARGER
COMMUNICATION
Communication
problem
between the
battery charger
and function
electronic board.
No signal from battery
charger via gate J4.4 for
over 3 seconds.
The battery charger
is performing the
standard recharging
cycle for generic
GEL/AGM batteries.
Check the wiring between the battery charger
and function electronic board.
C2
-----------------------
BATTERY
OVERVOLTAGE
Battery
overvoltage.
Battery voltage over 32V.
Battery charger
block.
1. Check the connections of the batteries and
the voltage of the installed batteries.
2. Disconnect and reconnect the battery
charger.
C4
-----------------------
CHARGING
TIME I EXPIRED
Charging phase I
expired.
Battery excessively
discharged or at end of
life cycle.
Battery charger
block.
If the problem persists, replace the batteries.
C5
-----------------------
CHARGING
TIME II
EXPIRED
Charging phase
II expired.
Battery excessively
discharged or at end of
life cycle.
Battery charger
block.
If the problem persists, replace the batteries.
C6
-----------------------
CHARGER
FAULT
Battery charger
internal short
circuit.
Battery charger internal
short circuit.
Battery charger
block.
Replace the battery charger.