Fronius IG 300 User Manual download pdf (Page 72)

Code Designation Description Remedy

Class 5

(continued)

Target speed of one or more

roof fans has not been

achieved

Roof fans not working, pos-

sible power derating

535 Fan controller’s self-

test routine has de-

tected a fan fault

Use „FAN STATUS“ on

the Setup menu to find

out which fan is affected

Target speed of one or more

roof fans has not been

achieved

Roof fans not working, pos-

sible power derating

536 Fault detected on a fan

during operation

Target speed not

achieved during ope-

ration

Use „FAN STATUS“ on

the Setup menu to find

out which fan is affected

Target speed of one or more

roof fans has not been

achieved

Roof fans not working, pos-

sible power derating

537 Large differences in

speed between the

fans

Use „FAN STATUS“ on

the Setup menu to find

out which fan is affected

Target speed of one or more

roof fans has not been

achieved

Roof fans not working, pos-

sible power derating

540 Overcurrent detected

on fan controller

Notify FRONIUS-trained

service engineer

Target speed of one or more

roof fans has not been

achieved

Roof fans not working, pos-

sible power derating

541 Communication error

with fan controller

Notify FRONIUS-trained

service engineer

Important! If a fault occurs frequently or for a long period and the fault is not listed in the

tables, consult your FRONIUS dealer or FRONIUS-trained service agent.

Customer service

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Fronius IG 300 User Manual Page 72

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