enervent eWind Pinion, Installation Instructions Manual

Page: 99 / 124

99
Professional installation instructions
TROUBLESHOOTING
If there is an alarm
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 extract fan has stopped. Open the service hatch when
the unit is running. The extract
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 extract 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.