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Service Manual – SC500
05 - Control System, Magnetic Smart Key
Display, Alarms Log Screen
The alarms log screen (Figure 8) function allows you to check any alarms stored on the machine
To return to the main screen (Figure 6), press the One-Touch button
repeatedly
Figure 8:
Each alarm (See table of alarms in the Main machine controller Alarm Codes section) is stored along with
the working hour (machine operating time counter) at which it occurred and all alarms are recorded in the
order in which they occurred, from the most recent to the oldest
The memory holds up to 20 alarm records, after which the oldest are overwritten when new alarms occur
Improper uses of the batteries or battery charger are also recorded, as in the following table:
On-board Battery Charger Alarms
Alarm code
--------------------------
Description
Meaning
Condition
Effect
GB-N
-----------------------
CONTINUOUS
LOW BATTERY
VOLTAGE
Time of
continuous use
with discharged
batteries
“N” is the number of hours from key on to off
when the battery level is below 20.4V for WET
CELL (21.6 for AGM) batteries. This event is not
recorded if the usage time is below 10 minutes.
Incorrect use by customer. Risk of reduced
battery life.
GC
-----------------------
CHARGER
DISCONN
BEFORE END
CYCLE
Charging cycle
interrupted before
completion
Disconnection of battery charger before stage IV
= battery symbol with 3 segments lit steadily.
Incorrect use by customer. Risk of reduced
battery life.
GD-N
-----------------------
CHARGING TIME
LESS THAN 4
HOURS
Charging phase
duration
N = Number of hours from battery charger
connection to completion of PHASE II (red LED
on) if < 4
Incorrect use by customer. Risk of reduced
battery life.
