Alarms And Troubleshooting; Alarm; Troubleshooting - Swegon CASA R3 Smart Instructions For Use Manual

3. Alarms and Troubleshooting

3.1. Alarm

Any disruptions to the function of the ventila-
tion unit are indicated by symbols on the
upper row of the base display. If there is an
active alarm in the system, the screen leaves
its standby mode and returns to full bright-
ness and does not enter standby mode again
as long as the alarm is active. The symbol for
an active alarm is
caused the alarm is shown by the "Alarm"
item on the main menu. A so-called info-
alarm , remains on the screen when the
active fault condition ceases. The Info alarm
can be reset from "Alarm" on the main menu.
Status Alarm
T1...T8 sensor fault
Reheater error
Preheater error
Freeze risk water-
heated air heater
Fault supply air fan
Fault extract air fan
Contact fault
External emergency
stop/fire alarm
Internal fault
Service reminder
Filter guard
EN

3.2 Troubleshooting

A ventilation system is a unified whole
composed of several system components all
of which influence how the system operates.
A malfunction in ventilation performance
could be caused by any component of the
ventilation system or by the way the system
98 www.swegonhomesolutions.com
. The condition that has
Action
Contact a service company. The ventilation unit runs in a
restricted operating mode.
Check the overheating protection. Contact a service company.
Check the overheating protection. Contact a service company.
Ensure that the circulation pump in the waterborne heating
system is running and that the water supply to the ventilation
unit's heating coil is hot enough.
Contact a service company.
Contact a service company.
Restart the ventilation unit. Contact the service company if the
error persists.
The alarm clears automatically when the external emer-
gency stop or the fire alarm ceases. No info alarm remains
afterwards.
Restart the ventilation unit. Contact the service company if the er-
ror persists. The ventilation unit runs in a restricted operating mode.
Service the ventilation unit and acknowledge the service reminder.
Replace the filter and reset the filter guard.
has been installed. If you suspect the ventila-
tion unit is malfunctioning, go through the
troubleshooting section on our website (www.
swegonhomesolutions.com). If the ventilation
unit is still impaired by malfunctions after the
checks, contact our product support group.
We will then solve the problem quickly.
Swegon reserves the right to alter specifications.