enervent eWind Pegasos, Installation Instructions Manual

Page: 108 / 136

108
TROUBLESHOOTING
Problem Reason Help Solution
FILS
Service reminder
Normal reminder with 4 or 6 month
intervals (depending on the unit
model) Change the filters and clean the unit from
the inside and check if the unit is working�
Err
Temperature sensor
malfunction
The temperature sensor is short-
circuited or there is a break in the
connection� Turn off the ventilation unit from the main
switch, open the electrical box, and check
that the quick couplings of the temperature
sensors are connected� It is possible that the
quick connectors have come loose during
the installation of the unit�
Contact a service representive�
oFFE
Stop mode
The internal alarm of the heat pump
unit is active� Find out the status of the external control
system�
Contact a service representive�
AL1
The water heating coil
is starting to freeze�
NOTE! The ventilation
unit does not start until
the alarm state has
been removed and the
alarm has been reset by
pressing any button on
the control panel��
The heat exchanger belt has broken� The heat exchanger has a
green belt� Check the heat
exchanger rotor from the belt's
control hole� If the belt is not
visible, it is broken� Change the belt�
The heat exchanger belt-wheel is oily
and the belt is slipping The heat exchanger has a
green belt� Check the heat
exchangers rotor from the
belt's control hole if the belt
wheel is rotating even if the
heat exchanger rotor is not
rotating� Change the belt�
The exhaust fan has stopped� Open the service hatch when
the unit is running� The exhaust
fan needs to be on� With the
LTR unit you must push down
the door coupling with a
screwdriver and check if the
unit starts� Change the fans�
Contact a service representive�
The exhaust filter is clogged� Open the service hatch when
the unit is not on� Remove the
filters and check if they are
dirty� Change the supply air filter�
The water heater's valve actuator is
broken� Contact a service representive�
The circulating water pump has
stopped� Check if the heating/cooling
circulation pump is on� Start the pump, contact a service
representive if the problem persists�
Error in the heat exchanger motor/
gearbox Open the service hatch while
the unit is on and listen if the
noise is coming from the heat
exchanger� Contact a service representive�
The heat exchanger belt wheel has
come loose from the axel� Check the heat exchanger
rotor from the belt control hole
if the axel is rotating freely and
the belt wheel is stationary� Tighten the belt wheel screw�
Contact a service representive�