Fronius IG 300 - Manual (Page 69)

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LED is steady orange, po-
wer module then attempts a
restart 425 Communication with
the power module is not
possible If a service code appears
frequently: Notify FRO-
NIUS-trained service
engineer
Earth current at the solar
modules 434 Earthing fault detected Check cabling on the DC
side and fuse on the
FRONIUS IG
Fixing voltage is lower than
actual MPP voltage 412 Fixing voltage mode
has been selected in-
stead of MPP voltage
mode, and the fixing
voltage has been set
at too low a value. If a service code appears
frequently: Notify FRO-
NIUS-trained service
engineer
Because the mains conditi-
ons have changed signifi-
cantly, the power module is
disconnected briefly from
the mains. 413 Control problems If a service code appears
frequently: Notify FRO-
NIUS-trained service
engineer
Memory component erased 414 EEPROM defective If a service code appears
frequently: Notify FRO-
NIUS-trained service
engineer
LED is steady orange, po-
wer module then attempts a
restart 416 Communication with
IG-Ctrl not possible If a service code appears
frequently: Notify FRO-
NIUS-trained service
engineer
Power module locked out,
critical error indicated by red
LED 417 Two power modules
have the same PCB
number If a service code appears
frequently: Notify FRO-
NIUS-trained service
engineer
Power module locked out,
critical error indicated by red
LED 419 Two or more power
modules with identical
software serial number
detected If a service code appears
frequently: Notify FRO-
NIUS-trained service
engineer
Power module locked out,
critical error indicated by red
LED 421 PCB number has been
set incorrectly If a service code appears
frequently: Notify FRO-
NIUS-trained service
engineer
Class 4
(continued)
FRONIUS IG is not con-
nected to the mains 439 Transformer not con-
nected If a service code appears
frequently: Notify FRO-
NIUS-trained service
engineer
FRONIUS IG is not con-
nected to the mains 440 Jumper short circuit If a service code appears
frequently: Notify FRO-
NIUS-trained service
engineer
Code Designation Manifestation Remedy