Kaco blueplanet 1502xi Manuel d'utilisateur télécharger pdf (Page 13)

blueplanet Operating and Installation Instructions 1502x - 2502x Page 15

Troubleshooting

Error Cause of error Troubleshooting/Explanation

The inverter stops sup-

plying power to the grid

shortly after being switched

on, even though there is

sufﬁ cient sunlight.

Faulty grid separation relay in

the inverter.

Although there is sufﬁ cient sunlight, the inverter feeds into the grid

only for a few seconds before switching off again. During the short

grid-feed period, the inverter shows that the power being fed into

the grid is between 0 and 5 W. If the inverter is deﬁ nitely receiving

sufﬁ cient generator power, the grid separation relay is presumably

faulty, thus preventing the inverter from connecting. Please contact

your solar installer.

The line fuse trips. The line fuse capacity is too

low.

Damage to the inverter’s

hardware.

In cases of high insolation, the inverter can – depending on the

solar generator – exceed its rated current for a short period. For this

reason, the capacity of the inverter’s pre-fuse should be somewhat

higher than the maximum grid-feed current.

If the line fuse immediately trips when the inverter switches to

grid-feed mode (after the start-up period is complete), the inverter’s

hardware is probably damaged. Contact your solar installer.

Noise emission from the

inverter.

Particular ambient conditions. When there are certain ambient conditions, the units may emit

audible noises. The following causes may be determining factors in

this regard:

– Line interference or line failure caused by particular loads (motors,

machines, etc.) which are either connected to the same point on the

grid or located in the vicinity of the inverter.

– In cases of dynamic weather conditions (frequent switching between

sunny and cloudy conditions) or strong solar insolation, a light hum

may be audible due to the high output.

– With particular grid conditions, resonances may form between the

unit’s input ﬁ lter and the grid, which may be audible even when the

inverter is switched off.

– People with very sensitive hearing (particularly children) may be able

to hear the high-frequency hum caused by the inverter’s operating

frequency of approx. 17 kHz.

Such noise emissions do not affect the operation of the inverter. Nor

can they lead to loss of efﬁ ciency, failure, damage or to a shortening

of the unit’s service life.

In spite of high insolation,

the inverter does not feed

in the maximum power into

low-voltage grid.

Unit is too hot and

the power is reduced.

The temperature inside the unit became too high. The inverter

reduced the power to prevent damage to the unit. Above an internal

temperature of 167 °F, the inverter limits the power and levels off at

a temperature of 185 °F. An internal temperature of 185 °F is only

reached if convection cooling is impeded by external factors, e. g. by

covering the cooling ﬁ ns. Provide for sufﬁ cient cooling of the unit.

Table 3: Troubleshooting

If the measures described in this guide do not assist in clearing

the fault, please notify your installer.

In order for our factory customer service department to respond

in an appropriate and expeditious manner, some details are

imperative:

Details pertaining to the inverter

– The unit’s serial number

–Model

– A short description of the error

– Is the error reproducible? If yes, how?

– Does the error occur sporadically?

– Describe the prevailing insolation conditions when the

error occurred?

– Time of day

Details pertaining to the photovoltaic module

– Module type, manufacturer (if available, also send the

data sheet)

– The number of modules in series

– The number of strings

– Generator power

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Kaco blueplanet 1502xi Manuel d'utilisateur Page 13

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