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Troubles and troubleshooting
Trouble
Possible reasons
Troubleshooting
The fan(s) do(es) not get
started during activation
of the unit.
No power supply.
Make sure the power supply line is connected correct.
Otherwise troubleshoot a connection error.
Jammed motor, soiled impeller blades.
Turn the unit off. Troubleshoot the motor jamming.
Clean the blades. Restart the unit.
The unit does not get
started, the indicator
displays Err.
System failure.
Contact the product Seller.
Automatic circuit breaker
tripping following the unit
start-up.
Overcurrent as a result of short circuit in the
electric circuit.
Turn the unit off. Contact the product Seller.
Low air flow.
Low set fan speed.
Set higher speed.
Clogged filters, fans or recovery core.
Clean or replace the filters. Clean the fans and the
recovery core.
Clogged or damaged air ducts, diffusers, louver
shutters, grilles or other ventilation system
components.
Clean or replace the air ducts, diffusers, louver shutters,
grilles or other ventilation system components.
Low supply air
temperature.
Clogged extract filter.
Clean or replace the extract filter.
Noise, vibration.
Clogged impeller.
Clean the impellers.
Loose screw connection in the fans or in the
unit casing.
Tighten the screws of the fans or the casing against stop.
No anti-vibration connectors on the connection
spigots.
Install the rubber anti-vibration connectors.
Water outflow
(applicable only for HRV units).
Clogged or damaged drain line. Wrong
installation of the drain line.
Clean the drain line. Check the installation angle of the
drain line, the U-trap operation and heat insulation.
RISK OF FIRE.
Install only 3.15A (glass 5x20) and 0.5A (glass 5x20) fuses rated for 125 Volts
as shown in the UNIT CONTROL section on page 14.
If the fuse blows, replace it. For this:
• disconnect the unit from the power supply using the automatic circuit breaker
• unscrew the fuse holder cap
• carefully remove the blown fuse from the cap
• install a new fuse in the cap
• screw the cap
Summary of Contents for ERV 100
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