Nilfisk-Advance R 253 9087362020 Service Manual page 26

Service Manual – Scrubtec R 253 - RA40
Function Electronic Board (EB1) Alarm Codes (Continues)
Alarm code
-------------------------- Meaning
Description
C1 Communication
----------------------- problem
CHARGER between the
COMMUNICATION
battery charger
and function
electronic board.
C2
Battery
----------------------- overvoltage.
BATTERY
OVERVOLTAGE
C4 Charging phase I
----------------------- expired.
CHARGING
TIME I EXPIRED
C5 Charging phase
----------------------- II expired.
CHARGING
TIME II
EXPIRED
C6 Battery charger
-----------------------
internal short
CHARGER circuit.
FAULT
On-board Battery Charger Alarms
Condition Effect
No signal from battery The battery charger
charger via gate J4.4 for
is performing the
over 3 seconds. standard recharging
cycle for generic
GEL/AGM batteries.
Battery voltage over 32V. Battery charger
block.
Battery excessively Battery charger
discharged or at end of block.
life cycle.
Battery excessively Battery charger
discharged or at end of
block.
life cycle.
Battery charger internal Battery charger
short circuit. block.
Control System
Service Suggestions
Check the wiring between the battery charger
and function electronic board.
1. Check the connections of the batteries and
the voltage of the installed batteries.
2. Disconnect and reconnect the battery
charger.
If the problem persists, replace the batteries.
If the problem persists, replace the batteries.
Replace the battery charger.
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