enervent Svea eAir - Page 44

44
Alarm Reason Instruction Solution
Water
radiator
freezing risk
(TE-45 min)
The heat exchanger belt is
oily and slips
A green belt drives the heat exchanger. Check
from the HRW round opening if the pulley is
rotating even though the HRW rotor is not.
Change the belt
Extract air fan has stopped Open the service hatch. Press the safety switch
with a screwdriver and check, if the fan starts.
Change fan
Extract air lter is blocked Open the service hatch when the unit is o.
Pull out the lter and check the condition of
the lter.
Change the lters
The air valves adjusted
incorrectly
Find out if the air ow and valves are correctly
adjusted.
Contact the installer.
Ducts have inadequate
insulation
Check the thickness of the insulation in supply
and extract air ducts, and add insulation if
necessary.
Contact the installer.
The pre-heater overheating
protection has tripped.
Find out the cause for the failure and reset the
protection against overheating (R® button in
the radiator).
Contact service.
The water heating radiator
has a faulty control valve
actuator
Contact service.
The circulation pump has
shut down
Check if the heating/cooling circulation pump
is working.
Restart the pump. If the issue persists, contact
service.
The HRW controller circuit
board is faulty
The HRW motor is controlled by a separate
circuit board that is located in the electric box
of the unit.
Contact service.
HRW pulley has separated
from the shaft
Check from HRW round opening if the shaft is
rotating empty and the pulley is in its place.
Contact service.
Tighten the screw on the pulley.
Cooling error External cooling unit
malfunction
Check that the safety switch of the external
unit is switched on.
Restart the external unit. If the issue persists,
contact service.
External
emergency
shutdown
Ventilation stopped with
the emergency shutdown
button.
If the building has an external shutdown
switch, check if it has been pressed.
Contact service.
Find the root cause before resetting
External re
risk
Ventilation shut down
from the external re alarm
system.
If the building has a re alarm system, check if
it has been activated.
Contact service.
Find the root cause before resetting.
Maintenance
notice
Normal notice every 4 or 6
months (depending on the
model)
Change the lters and clean the unit from
inside. Check that the unit functions properly.
Reset the maintenance alarm from the eAir
panel Settings menu -> Alarm -> Acknowledge
service reminder.
Filter alarm:
Supply
(accessory)
Supply air lter is blocked. Open the service hatch when the unit is o.
Pull out the lter and check the condition of
the lter.
Change the supply lter.
Filter alarm:
Exhaust
(accessory)
Extract air lter is blocked. Open the service hatch when the unit is o.
Pull out the lter and check the condition of
the lter.
Change the extract lter.
Supply air
fan rotation
guard
Supply air fan has stopped. Open the service hatch. Press the safety switch
with a screwdriver and check, if the fan starts.
Contact service.
Change the fan
Extract air
fan rotation
guard
Extract air fan has stopped. Open the service hatch. Press the safety switch
with a screwdriver and check, if the fan starts.
Contact service.
Change the fan
PDS 10 alarm Supply air fan has stopped. Open the service hatch. Press the safety switch
with a screwdriver and check, if the fan starts.
Contact service.
Supply air lter blocked. Open the service hatch when the unit is o.
Pull out the lter and check the condition of
the lter.
Change the lters
Outdoor louvre blocked. Check if the louvre on the outside of the house
is blocked.
Contact service.
Clean the outdoor louvre.
Compressor
alarm
The internal alarm of the
heat pump unit is active.
Restart the heat pump. If the issue persists,
contact service.