enervent Neo eWind, Installation Instructions Manual

Page: 109 / 128

109
Installation instructions for professionals
Problem Reason Help Solution
AL6
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.
Insufficient isolation in the ducts. Check the thickness of the insulation in the
supply air and the exhaust air ducts and
improve the insulation when required.
Contact a service representive.
The overheating protection of the
afterheater has been activated Find out what has caused the error and reset
the over-heating protection (® button on
the coil)
Contact a service representive.
The ventilation unit's door is open Close the door.
Contact a service representive.
Low room temperature Nosta huonelämpötilaa.
Contact a service representive.
TE-30 error int the temperature sensor Contact a service representive.
AL7
Supply air hot. Risk of
fire.
Error in the electrical after heater Contact a service representive.
The water heater's valve actuator is
broken Contact a service representive.
TE-10 error in the temperature sensor Contact a service representive.
Fire risk Contact a service representive.
AL8
Electrical re-heater or
pre-heater overheating
Error in the electrical after heater Contact a service representive.
The supply air 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. Contact a service representive.
The supply air filter is clogged Open the service hatch when
the unit is not on. Remove the
filters and check if they are
dirty. Change the exhaust filter.
The outside air grille is clogged Check if there is something
blocking the outside air grille. Clean the outdoor air grille
Contact a service representive.
The heater controller card is broken Replace the heater controller card
Contact a service representive.