DEVIreg™ 850 IV
7Installation instruction
1�3 Possible alarms during operation
Clogged drain
Description: When clogged drain warning has been enabled, an alarm is raised
when the system constantly has been detecting moisture for 14
days.
If the DEVIreg™ 850 controls more than 1 system, and prioritiz-
ing has been enabled, the time before clogged drain warning-
for the down-prioritized system, can be much longer. The time
is only updated, when the system actually is allowed to heat
the area (e.g. the up-prioritized system is not heating)
Solution: - Check gutter and down pipes for any obstacles preventing the
melting water to flow away.
- Check if sensors are covered with dirt.
Missing sensor
Description: When the connection to a sensor is lost, the DEVIreg™ 850 alarms
the user. At the same time the DEVIreg™ 850 automatically switch-
es the system to “Constant Off” mode, and user interaction with the
DEVIreg™ 850 is needed.
Solution: - Acknowledge error and go to “Installer Site” in the menu system
and select “Change System”.
- Contact your local installer to get a replacement.
New sensor added
Description: When a new sensor is added, the DEVIreg™ 850 alarms the user and
at the same time automatically switches to “Constant Off” mode.
User interaction is needed in order to correct the error.
Solution: Acknowledge error and go to “Installer Site” in the menu system
and select “Change System”.
Sensor malfunction
Description: When something is wrong with the readings from connected sen-
sors to the DEVIreg™ 850, an alarm is raised.
Not all error prone sensors can be discovered using this fea-
ture!
Solution: - Acknowledge error and go to “Installer Site” in the menu system
and select “Change System”.
- Contact your local service centre to get a replacement.
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