Troubleshooting - Victron energy BlueSolar MPPT100/15 Manual De Instrucciones

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4. Troubleshooting

Problem
Charger does not
function
Blown fuse
The battery is not
fully charged
The battery is
being
overcharged
Load output does
not become active
Possible cause
Reversed PV connection
No fuse inserted
Reversed battery connection
A bad battery connection
Cable losses too high
Large ambient temperature
difference between charger
and battery (T
ambient_chrg
T
)
ambient_batt
Only for a 24V system:
wrong system voltage
chosen (12V instead of 24V)
by the charge controller
A battery cell is defect
Large ambient temperature
difference between charger
and battery (T
ambient_chrg
T
)
ambient_batt
Maximum current limit
exceeded
DC load in combination with
capacitive load (e.g.
inverter) applied
Short-circuit
Solution
Connect PV correctly
Insert 20A fuse
1.
Connect battery correctly
2.
Replace fuse
Check battery connection
Use cables with larger cross
section
Make sure that ambient
conditions are equal for charger
>
and battery
Disconnect PV and battery, after
making sure that the battery
voltage is at least >19V,
reconnect properly
Replace battery
Make sure that ambient
conditions are equal for charger
<
and battery
Make sure that the output
current does not exceed 15A
Disconnect DC load during start-
up of the capacitive load
Disconnect AC load from the
inverter, or connect inverter as
explained in section 3.6
Check for short-circuit in the
load connection
7

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Bluesolar mppt 100/15

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