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RIS 400-700 P EKO 3.0 v2020.1
9. POSSIBLE FAULTS AND TROUBLESHOOTING
FAILURE
CAUSE
EXPLANATION / CORRECTIVE ACTIONS
Unit is not operating
No supply voltage
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leakage relay is active (if installed by the
installer)
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Air supply heater or pre-heater is not operat-
ing or malfunctioning (if installed)
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-
matic
protection
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Check if fans are rotating
Manual protection is activated
Possible heater or unit failure. MUST contact
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elimination.
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Filter replacement needed
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on the remote control
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broken, or its pressure is set improperly.
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