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Class 3, Class 2 (continued) – Fronius IG 15 User Manual

Page 76

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68

Short interruption of power
supply feeding into mains
network caused by overload
current
FRONIUS IG resumes star-
ting up phase

301

overload current (AC)

Service class 3 comprises service codes which may appear during opera-
tion of feeding power supply, which however basically do not cause a
permanent interruption of the operation of feeding power into the mains.
After automatic disconnection from the mains and monitoring of the mains
as stipulated, your FRONIUS IG unit will try to resume the feeding operati-
on.

Code

Designation

Description

Class 3

automatically by itself

Should the service load
appear permanently you
should contact your in-
stallation specialist

Repair

Short interruption of power
supply feeding into mains
network caused by overload
current
FRONIUS IG resumes star-
ting up phase

302

overload current (DC)

automatically by itself

Should the service load
appear permanently you
should contact your in-
stallation specialist

Short interruption of power
supply feeding into mains
network caused by tempe-
rature excursion

air vents clogged

303 *

temperature excursion
AC side

after a two minutes’ coo-
ling phase your FRONI-
US IG unit begins star-
ting up again

clean air vents.

Should the service load
appear permanently you
should contact your in-
stallation specialist

Short interruption of power
supply feeding into mains
network caused by tempe-
rature excursion

304 *

temperature excursion
DC-side

after a two minutes’ coo-
ling phase your FRONI-
US IG unit begins star-
ting up again

clean air vents.

Should the service load
appear permanently you
should contact your in-
stallation specialist

air vents clogged

* Service code 303 and 304 are shown briefly under certain circumstances. A brief

display of the service codes 303 and 304 does not mean there is a fault.

ENS recognises a faulty
mains relay

208

Problems with the
mains relay

If Service-Code is dis-
played permanently, you
should contact a Froni-
us trained service tech-
nician

Code

Designation

Description

Repair

Class 2

(continued)

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