Service Class 5 - Fronius CL 44.4 Delta Serviceanleitung

469
Throttle connected to wrong poles
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473
Error while allocating an AC phase to the power stage set
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474
100 kohm solar module grounding measurement detected an error between the DC+ or
DC- to the ground
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Service class 5

Messages of this class generally do not prevent the feed-in mode of the inverter. They will
be displayed until the message is acknowledged by pressing a key on the inverter (during
this period, the inverter continues feed-in mode).
Throttle connections IND1 and IND2 incorrect
Properly connect throttle connections
Measurement circuit error in power stage set
Replace power stage set
L and N reversed in the connection area
Check AC cabling
One-time occurrence
Remedied automatically
Incorrect DIP switch position on the power stage set
Check dip switch on the power stage set
No AC power supply to the power stage set
Check AC fuse in the power stage set
Faulty ribbon cable connection between the power stage set and the Snow-
ball PC board
Check ribbon cable and replace if necessary
Insulation fault in solar module
Check lines and solar modules
100 kohm module grounding defective
Check and, if necessary, replace the 100 kohm module grounding
Measurement error in power stage set
Replace power stage set
89