Fronius IG 300 - Manual (Page 67)

59
Short-term interruption to
feed-in of power into mains
due to excess temperature
Cooling-air slots relocated
304 * Excess temperature on
DC side After a 2-minute cooling-
off period, FRONIUS IG
resumes its boot routine
Uncover cooling-air slots
If this service code keeps
recurring, contact your
system engineer
* Under certain circumstances, service codes 303 and 304 may be displayed briefly. If
service codes 303 and 304 are displayed briefly, this does not necessarily indicate a
fault.
Short-term interruption to
feed-in of power into mains
due to excess current
FRONIUS IG resumes its
boot routine
301 Overcurrent (AC)
Class 3 service codes include conditions that may occur while feeding power into the
mains, but generally do not cause the process to be interrupted for any length of time.
The FRONIUS IG disconnects automatically from the mains, the mains are then monito-
red as specified, and the FRONIUS IG then attempts to resume feeding power in.
Code Designation Manifestation
Fault is rectified auto-
matically
If this service code keeps
recurring, contact your
system engineer
Remedy
Short-term interruption to
feed-in of power into mains
due to excess current
FRONIUS IG resumes its
boot routine
302 Overcurrent (DC) Fault is rectified auto-
matically
If this service code keeps
recurring, contact your
system engineer
Short-term interruption to
feed-in of power into mains
due to excess temperature
Cooling-air slots relocated
303 * Excess temperature on
AC side
Class 3
After a 2-minute cooling-
off period, FRONIUS IG
resumes its boot routine
Uncover cooling-air slots
If this service code keeps
recurring, contact your
system engineer