98
557
Max. permissible output of fans exceeded
Door fans will not function until the next DC reset
Cause: Door fan defective
Remedy: Replace fan
Cause: Faulty cable connection to door fan
Remedy: Check cable connection
Cause: Measurement circuit on Snowball defective
Remedy: Replace Snowball
558
Inverter feature has been deactivated
Cause: The software version of the individual components does not support some
features
Remedy: Update software
559
Low Voltage Ride Through active
Cause: The inverter attempts to stay connected to the grid for grid support despite
voltage dip
Remedy: Remedied automatically
Cause: Strong voltage dip on the public grid
Remedy: Check grid parameters
560
Power reduction due to over-frequency
Cause: An over-frequency was detected, for grid support the effective power of the
inverter is reduced
Remedy: Remedied automatically
Cause: Over-frequency on the public grid
Remedy: Check grid parameters
561
Power reduction due to over-temperature
Cause: Blocked air supply
Remedy: Clear ventilation grille
Cause: Increased ambient temperature
Remedy: Change installation location / Install external cooling
Cause: Installation distance between the inverters too small
Remedy: Increase distance
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