Possible Alarms During Operation - Danfoss ECtemp 850 IV Installation Instruction

Installation 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.
Solution: - Check gutter and down pipes for any obstacles preventing the
- Check if sensors are covered with dirt.
Missing sensor
Description: When the connection to a sensor is lost, the ECtemp 850 alarms
the user. At the same time the ECtemp 850 automatically switches
the system to "Constant Off" mode, and user interaction with the
ECtemp 850 is needed.
Solution: - Acknowledge error and go to "Installer Site" in the menu system
- Contact your local installer to get a replacement.
New sensor added
Description: When a new sensor is added, the ECtemp 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 ECtemp 850, an alarm is raised.
Solution: - Acknowledge error and go to "Installer Site" in the menu system
- Contact your local service centre to get a replacement.
8 | © Danfoss | 2019.07
ECtemp 850 IV
If the ECtemp 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)
melting water to flow away.
and select "Change System".
Not all error prone sensors can be discovered using this fea-
ture!
and select "Change System".
08097083 / VIMHE202