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INSTALLATION MANUAL
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POSSIBLE FAILURE MODES
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Fractured cells
. Fracturing can be caused by excessive bending of the module during installation or
use, or by impact or mechanical stress. Fractured photovoltaic cells do not normally cause a total
loss of performance in a module, but more usually a drop in efficiency. A module with fractured or
malfunctioning cells can be detected by measuring the current using a 10A amperometer. In full sunlight,
the current should be the same order of magnitude as the Isc of the module (see datasheet). The voltage
is barely affected by cell fracture.
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Water inside the junction box
. Although the junction boxes are waterproof, infiltrations are possible due
to manufacturing defects or impact. If this occurs, remove the cover of the junction box and proceed to
dry the inside.
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Defects with the charge regulator
. Charge regulators, like all electronic devices, can fail. The display may
indicate failure. In any case, first of all, check the state of the electrical connections between modules,
regulators and batteries.
RECYCLING AND DISPOSAL
WhisperPower is part of the European consortium PV-CYCLE, for the recycling of damaged or end-of-life
modules, available in many European countries. WhisperPower photovoltaic modules are electrical apparatus
and must be disposed of accordingly, according to the laws of the country. In case of disposal requirements,
please contact our sales department.
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