Kaco blueplanet 15.0 TL3 Operating Instructions Manual

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Kaco blueplanet 15.0 TL3 Operating Instructions Manual Manual pdf 52 page image

ENENMaintenance/TroubleshootingPage 52 KACO Operating Instructions blueplanet 15.0-20.0 TL3Fault Cause of fault Explanation/remedy ByIn spite of highradiation levels, theinverter does notfeed the maximumpower into the grid.The device is toohot and the systemlimits the power.Because the temperatures inside the unit are too high, theinverter reduces its power to prevent damage to the unit.Note the technical data. Ensure that the convection cooling isnot impeded from the exterior. Do not cover the cooling fins." Ensure sufficient cooling of the unit." Do not cover the cooling fins. B, ENoise emissionfrom the inverter.Particular ambientconditions.When there are certain ambient conditions, the units mayemit audible noises.• Grid interference or grid failure caused by particular loads(motors, machines, etc.) which are either connected tothe same point on the grid or located in the vicinity of theinverter.• In cases of volatile weather conditions (frequent switch-ing between sunny and cloudy conditions) or strong solarradiation, a light hum may be audible due to the increasedpower.• Under particular grid conditions, resonances may formbetween the unit’s input filter and the grid; these may beaudible even when the inverter is switched off.These noise emissions do not affect the operation of theinverter. They do not lead to loss of performance, failure,damage or to a shortening of the unit’s service life.People with very sensitive hearing (particularly children) areable to hear the high-frequency hum caused by the inverter’soperating frequency of approximately 17 kHz." No actionTable 6: Troubleshooting9.8 “Fault” messages on the display/LEDMany fault signals indicate a fault in the grid. They are not operational faults of the inverter. The triggering levels aredefined in standards, e.g. VDE0126-1-1. The inverter shuts down if the values exceed or fall below the approved levels.9.8.1 Display of status and fault messagesDisplay Fault LED (red)FS (fault status) ON • Fault signal relay has switched.• Feed-in was ended due to a fault.OS (operating status) OFF• The fault signal relay releases again.• The inverter feeds back into the grid again after acountry-specific time period.Details regarding the fault or operating status can be found either on the display or in the data that was recordedthrough the RS485 interface.