128
Status
550
Jumper set incorrectly
Description The jumper on the Print C-Box was not reset to the
‘SMON’ position after the solar module strings were
checked
Remedy Set the jumper on the Print C-Box to the ‘SMON’ posi-
tion
551
Fuse for solar module ground is defective
Description The fuse for the solar module ground is defective,
replace the fuse to protect the solar module
Remedy Insert a new fuse for the solar module ground to
ground solar modules at the negative and positive
poles.
Error is corrected automatically
If this status message keeps recurring, contact your
system installer
553
Phase master deactivated due to frequently occurring errors
Description A reintegration of the power module into the Mix
network is being attempted at a later time
Remedy If the status message remains on the display: notify a
Fronius-trained service technician
Important! Please contact your Fronius dealer or a Fronius-trained ser-
vice partner if
- an error appears frequently or for a long period of time
- an error appears that is not listed in the tables
Customer
Service
Messages -
Class 5
(continued)
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