IDA8 Global-Net User Manual206
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Exceeding this threshold is signalled as a battery fault and means that the power supply with its
associated battery will not have the required back-up duration in case of mains power cut.
To avoid initiating this fault, please rad the following elements:
o Use batteries with a capacity of 24 to 114 Ah.
o Use authorized batteries.
o Use battery cables that are as short and large as possible (16 mm² max).
For a cross-section of 10 mm², the resistance is 2 mW/m.
For a cross-section of 16 mm², the resistance is 1.25 mW/m.
Example: The resistance is 6 mW for the battery cables (+ and -) 1.5 m in length and with a
cross-section of 10 mm².
Battery cables (+ and -) of 1.5 m in length and cross-section of 25 mm² allow correct operation
with all the recommended batteries.
The connections and crimping should be realized properly in order to generate as low resistance
as possible.
An additional battery fuse will be added about 1 to 2 mW.
3.5.1.4 Troubleshooting
If the power supply does not deliver voltage on the outputs,
Check mains presence on the mains terminal strip
Check the fuses
Check the voltage value on output terminals
The voltage on the battery cables must be identical to that of the load
Check that each 12 Vdc battery has a voltage greater than or equal to 11.5 Vdc
Repeat the measurement after having disconnected the load and the battery
Recheck the signalling of the indicator lights (see chapter 5)
If all the steps are validated, check the compatibility of your load
If the battery indicator light remains red,
Check if the battery voltage is between 14V and 30V
Check the battery voltage polarity
If the battery does not take over after a mains fault,
Check the voltage on the battery terminals
Check the battery fuse
Check the voltage on output terminals
If the indicator lights are not illuminated,
Check mains presence on the mains terminal strip
Check the battery connection
Check that the flat cable is properly connected
Check the voltage on output terminals
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