103
Operating and maintenance instructions for the ventilation unit
Alarm
Reason
Instruction
Solution
Cooling error
The external cooling unit
has shut down
Check that the safety switch of the external
unit is on.
Start the external unit. If the issue persists,
contact maintenance.
Contact the maintenance.
External
emergency
shutdown
Ventilation stopped with
the emergency shutdown
button.
If the house has an external shutdown switch,
check if it has been pressed.
Find the root cause before resetting.
Contact the maintenance.
External fire
risk
Ventilation shut down
with an external fire risk
controller.
If your house has an external fire risk
controller, check if it has been activated.
Find the root cause before resetting.
Contact the maintenance.
Maintenance
notice
Normal notice every 4 or 6
months (depending on the
model)
Change the filters and clean the unit from
inside. Check that the machine functions.
Contact the maintenance.
Filter alarm:
Supply (extra)
Supply filter is blocked.
Open the access door when the machine is
off. Pull out the filter and check the dirtiness
of the filter.
Change the supply filter.
Contact the maintenance.
Filter alarm:
Exhaust (extra)
Exhaust air filter is blocked.
Open the access door when the machine is
off. Pull out the filter and check the dirtiness
of the filter.
Change the exhaust filter.
Contact the maintenance.
Supply air
filter rotation
guard
Supply blower has stopped.
Open the machine access door while the
machine is operating. The supply blower
should be rotating. In LTR model machines,
press the door switch with a screwdriver and
check, if the blower starts.
Contact the maintenance.
Exhaust air
filter rotation
guard
Exhaust blower has stopped. Open the machine access door while the
machine is operating. The supply blower
should be rotating. In LTR model machines,
press the door switch with a screwdriver and
check, if the blower starts.
Change blowers.
Contact the maintenance.
PDS 10 alarm
Supply blower has stopped.
Open the access door while the machine
is operating. The supply blower should be
rotating. In LTR model machines, press with a
screwdriver and check, if the blower starts.
Contact the maintenance.
Supply filter blocked.
Open the access door when the machine is
off. Pull out the filter and check the dirtiness
of the filter.
Change the supply filter.
Contact the maintenance.
Outdoor louvre blocked.
Check if the louvre on the outside is blocked.
Clean the outdoor louvre.
Contact the maintenance.
Summary of Contents for LTR-5 Z eAir
Page 28: ...28 LTR 5 Z eAir Drift och underhållsanvisningar för ventilationsaggregatet Svenska ...
Page 54: ...54 LTR 5 Z eAir Drifts og vedlikeholdsinstrukser for ventilasjonsenheten Norsk ...
Page 80: ...80 LTR 5 Z eAir Operating and maintenance instructions for the ventilation unit English ...
Page 106: ......
Page 107: ......
