Vents VUT 300 WH EC, Руководство пользователя

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FAULT HANDLING
Problem Possible reasons Fault handling
The fan(s) do(es)
not get started
No power supply.
Make sure the power supply line is connected
correct, otherwise troubleshoot the connection
error.
Motor is jammed, the blades
are soiled.
Turn the unit off. Remove the motor jamming.
Clean the blades. Restart the unit.
Alarm in the system. Remove the system alarm. Restart the unit.
Automatic circuit
breaker tripping.
High current consumption
due to short circuit in power
line results in automatic
circuit breaker triggering.
Turn the unit off. Remove the reason of high
power consumption. Check the automatic circuit
breaker operation. Turn the circuit breaker off-on.
Restart the unit.
Low air flow.
Low set air flow. Switch the unit to higher air flow.
The filters, fans are soiled, the
heat exchanger is soiled.
Clean or replace the filters; clean the fan(s) and
the heat exchanger.
The ventilation system
components (air ducts,
diffusers, louvre shutters,
grilles) are soiled or
damaged.
Clean or replace the ventilation system
components (air ducts, diffusers, louvre shutters,
grilles).
Air dampers, diffusers or
louvre shutters are closed.
Make sure that the air dampers, diffusers or
louvre shutters are fully opened.
Cold supply air.
The extract filter is soiled. Clean or replace the extract filter.
The heat exchanger is frozen.
Check the heat exchanger condition. Shutdown
the unit and turn it on after the freezing danger is
no longer imminent.
Malfunction of the water
heater.
Contact the service centre.
High noise,
vibration.
The impeller(s) is(are) soiled. Clean the impeller(s).
Loose screw tightening. Tighten the screws to stop.
No anti-vibration mounts. Install the rubber anti-vibration mounts.
Water leakage.
The drain system is soiled,
damaged or wrong arranged.
Clean the drain system. Check the drain slope
angle. Make sure that the U-trap is filled with
water and the drain pipes are frost protected.
Possible faults and fault handling
Table 3