Samlexpower SSW-350-12A Manuel Du Propriétaire page 15

TROUBLE / SYMPTOMS
AC OUTPUT IS AVAILABLE
On the inverter
• Green LED on the front panel of the
inverter is oN
• Red LED is OFF
• Buzzer alarm sounds intermittently when
DC input voltage drops to Low DC Input
Voltage Alarm Threshold of 11V +/- 0.3V
when delivering high power loads
• Yellow LED comes ON when buzzer
alarm is sounded.
On the Remote Control SSW-R1-12B
(For SSW-1000-1500-12A)
• DC input voltage is being displayed and
intermittently drops to Low DC Input Volt-
age Alarm Threshold of 11V +/- 0.3V when
delivering high power loads
• Message "Input Fault" intermittently
flashes whenever DC input voltage drops to
Low DC Input Voltage Alarm Threshold of
11V +/- 0.3V
• Power Bar Graph will be ON if the output
power is > 50W to 100W
NO AC OUTPUT
On the inverter
• Green LED on the front panel of the
inverter is oN
• Red LED is OFF
• Buzzer alarm sounds all the time
• Yellow LED is ON
On the Remote Control SSW-R1-12B
(For SSW-1000-1500-2000-12A)
• DC input voltage is being displayed and has
dropped to Low DC Input Voltage Shut-
down Threshold of 10.5V +/- 0.3V
• Message "Input Fault" is flashing
• Power Bar Graph is OFF
• LCD is dimmed
AC OUTPUT IS AVAILABLE
On the inverter
• Green LED on the front panel of the
inverter is oN
• Red LED is OFF
• Buzzer alarm sounds when DC input
voltage drops to Low DC Input Voltage
Alarm Threshold of 11V +/- 0.3V even on
low AC loads
• Yellow LED comes ON when buzzer alarm is
sounded.
On the Remote Control SSW-R1-12B
(For SSW-1000-1500-2000-12A)
• DC input voltage is being displayed and
drops to Low DC Input Voltage Alarm
Threshold of 11V +/- 0.3V even at low loads
• Message "Input Fault" flashes whenever DC
input voltage drops to Low DC Input Volt-
age Alarm Threshold of 11V +/- 0.3V
• Power Bar Graph is ON if the output power
is > 50W to 100W
POSSIBLE CAUSE(S)
Intermittent buzzer alarm due to
intermittent high AC loads
1. DC input wire size is not adequate for
higher capacity loads or there is loose
connection between the battery and the
inverter leading to DC input voltage falling
below the Low DC Input Voltage Alarm
Threshold of 11V +/- 0.3V
2. The battery has developed sulfation due
to undercharging. In this condition, the
internal resistance of the battery rises above
normal and hence causes abnormal voltage
drop on its terminals at higher discharge
current consumed by higher capacity load
Shutdown due to low DC input voltage
1. DC input wire size is not adequate for the
capacity of the AC load or there is loose
connection between the battery and the
inverter leading to DC input voltage falling
below the Low DC Input Voltage Shutdown
Threshold of 10.5V +/- 0.3V
2. The battery has developed sulfation due
to undercharging. In this condition, the
internal resistance of the battery rises above
normal and hence causes abnormal voltage
drop on its terminals at higher discharge
current consumed by higher capacity load
Buzzer alarm due to low DC input
voltage even at low AC loads
The battery is almost discharged
TROUBLESHOOTING GUIDE
SUGGESTED REMEDIES
1. Use thicker wires between the battery and
the inverter and tighten all DC input circuit
connections
2. Check internal resistance of the battery and
remove sulfation by equalizing the battery
or replace the battery
1. Use thicker wires between the battery and
the inverter and tighten all DC input circuit
connections
2. Check internal resistance of the battery and
remove sulfation by equalizing the battery
or replace the battery
recharge the battery.
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