Air curtain systems ORBIS / TWIN
OR
18
12. Fault analysis and remediation, measures and risks
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odours, blowing of fuses or triggering of protective mechanisms, leakage of heating media,
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Fault
Possible cause
Remedy
1 LED on circuit
board is not
blinking.
Jumper is incorrectly inserted to the
right beside the data connections.
1 connection: insert jumper.
2 connections: remove jumper
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2 Fault is illuminated
Motor protection was triggered.
Have motors checked by service.
3 Device does not
output the desired
volume of air.
Motor rotation too low.
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4 Frost alarm and
fault are illuminated.
Frost protection was triggered.
Proceed as per points 5 and 6.
5 Air is too cold
during operation.
Heating operation not activated.
Only in case of electrical heating:
Protective temperature limiter
with lock-out was triggered.
Only in the case of water heating:
Too less or no water.
Heating switched off.
Solenoid valve faulty/closed.
Thermostatic valve faulty.
Switch ON heating.
Unlock protective temperature
limiter beneath air intake grate
by pressing the red button.
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Switch on heating.
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6 Device on but not
functioning, frost
alarm is illuminated.
Only in the case of water heating:
Frost protection thermo-
stat switches off due to the value
dropping below its setting.
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7 Device on but
not functioning.
Operating lamp off.
No mains voltage.
Only in case of electrical heating:
Device fuse faulty.
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device fuse. In the event of a fault,
check and remedy the cause.
