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6. Troubleshooting guideline
Please see the table below if you experience any problems with the
Inverter Charger Combi and / or the installation.
Problem
Possible cause
Remedy
Inverter Charger Combi is
not working at all.
Remote switch not connected / Remote switch
contacts not closed.
Apply remote switch at terminal in connection bay /
check that remote switch closes.
Remote switch has deactivated
the Inverter Charger Combi.
Activate the Inverter Charger Combi remotely
or check DIP switch 8 or 10 for correct setting.
Poor contact between the Inverter Charger Combi
battery wires and the battery terminals.
Clean battery terminals or Inverter Charger Combi
wire contacts. Tighten battery terminal screws.
Blown DC fuse.
Check battery fuse or internal Inverter Charger Combi
fuse (ICC 1600 SI-N / 60A only).
Very poor battery condition.
Replace battery.
Problem
Possible cause
Remedy
Charger is not working
(AC transfer switch does
not activate either).
The AC input voltage or frequency
are out of range or too unstable.
Make sure that the AC input voltage is between
185V – 270V and the frequency between 45Hz – 65Hz
(assuming standard settings).
Problem
Possible cause
Remedy
Battery is not being
charged up to it’s
maximum capacity.
Incorrect absorption charge
voltage setting.
Check DIP switch 4, 5 and 6
for correct settings.
Incorrect charge current setting.
Adjust the charge current using DIP 2
(and DIP 8 for ICC 3000). Typically, the charge
current should be set to 10 % – 20 % of the total
battery capacity
Too much voltage loss in battery cables and/
or connections.
Make sure that the battery cables have a large
enough diameter. Check if all DC connections are
solidly made.
Additional battery loads are consuming
too much current during charging.
Turn-off or disconnect all battery loads.
Problem
Possible cause
Remedy
Charge current is too
low.
High ambient temperature.
Try to lower the ambient temperature
around the Inverter Charger Combi.
Charger is operating in the absorption
charging stage.
Do nothing. The battery is almost fully
charged and consumes less current by itself.
Problem
Possible cause
Remedy
Mode indicator LEDs
’inverter on’, ’charger on’
and ’Line’ are blinking
red once per second
(battery error).
Battery voltage is too low
(< 8V)
Battery is damaged, replace it. Or battery has been
discharged too extremely, let it slowly recover to
above 8.5V so that the transfer switch and charger
can startup to recharge the battery.
Battery voltage is too high (>16.5V)
Check the DC system for an external source that
pushes the battery voltage too high.
Too high ripple voltage on DC input.
(manual restart needed)
Check battery wire connections. Decrease battery
cable length. Increase battery and/or cable size.
Make sure that no other equipment on the same
battery is generating a high ripple voltage.
Содержание MT 81660
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