Fronius IG 300 - Manual (Page 68)

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The power module will au-
tomatically attempt to con-
nect again and, if possible,
will resume feeding power
into the mains 401 Communication with
power module not pos-
sible
Some of the Class 4 service codes necessitate intervention by a FRONIUS-trained
service technician.
Code Designation Manifestation
Class 4
If a service code appears
frequently:
Notify FRONIUS-trained
service engineer
Remedy
The power module will au-
tomatically attempt to con-
nect again and, if possible,
will resume feeding power
into the mains 402 Communication with
EEPROM not possible If a service code appears
frequently: Notify FRO-
NIUS-trained service
engineer
The power module will au-
tomatically attempt to con-
nect again and, if possible,
will resume feeding power
into the mains 403 EEPROM defective If a service code appears
frequently: Notify FRO-
NIUS-trained service
engineer
Power module discon-
nected from mains for safe-
ty reasons 406 AC temperature sensor
defective If a service code appears
frequently: Notify FRO-
NIUS-trained service
engineer
2-pin plug inserted in wrong
socket 410 Service plug has not
been connected in its
original position If a service code appears
frequently: Notify FRO-
NIUS-trained service
engineer
Power module discon-
nected from mains for safe-
ty reasons 407 DC temperature sensor
defective If a service code appears
frequently: Notify FRO-
NIUS-trained service
engineer
Power module discon-
nected from mains for safe-
ty reasons 408 Feeding DC into the
mains If a service code appears
frequently: Notify FRO-
NIUS-trained service
engineer
Power module not con-
nected to the mains 409 No +15 V supply for the
electronic control sys-
tem If a service code appears
frequently: Notify FRO-
NIUS-trained service
engineer