9. POSSIBLE FAULTS AND TROUBLESHOOTING
FAILURE
Unit is not operating
Air supply heater or pre-heater is not operat-
ing or malfunctioning (if installed)
on the remote control
Rotor is not rotating
Rotor belt failure
22
| EN
CAUSE
No supply voltage
relay is active (if installed by the installer)
ic protection
Manual protection is activated
broken, or its pressure is set improperly.
Rotor belt is broken
Rotor belt is slipping
EXPLANATION / CORRECTIVE ACTIONS
-
fans are rotating
Possible heater or unit failure. MUST contact
elimination.
Filter replacement needed
Inspect the rotor belt. If it is broken then it
If belt is not broken, check its tightness and
adjust, if necessary.
RIRS 400-700 H EKO 3.0 v2023.2
-