INSTALLATION AND SERVICE MANUAL FOR PROFESSIONALS
Maintenance and troubleshooting: Troubleshooting
ü The filter, fan housing, bypass and heat exchanger have been removed from the unit.
Cleaning the air
ducts and interior
1. Inspect the inner surfaces and the connections of the air ducts for dirt.
2. Clean the inner surfaces and the connections of the air ducts with a damp cloth, brush,
1. Check whether all connections are securely fastened to the main PCB.
Completion of the
work
2. Mount the parts that were previously removed: heat exchanger, fans, condensate tray
INFO
Make sure to close the previously released locks again after installing the respective
component.
3. Check whether a condensate drain is connected and ensure that the opposite spigot of
Troubleshooting
In this section you will get to know how to detect and correct possible operating errors.
Dantherm strongly recommends to connect a remote control to the unit for operation in
order to perform proper troubleshooting.
Error signals
Occurring errors are indicated in various ways:
Component
Ventilation unit
Hand-held remote
control
Wired remote con-
trol (HCP 11)
PC Tool
Smartphone APP
Error list
How to read the error list:
Column
A
B
C
Error code
vacuum cleaner or similar.
and unit cover.
the condensation tray is closed.
Signal
Acoustic signal from the main PCB. Connect a remote control or the
PC Tool to indicate the specific error.
LED for filter reset
Audible signal and indication of a specific error code.
Acoustic signal and flashing LED:
The number of flashes corresponds to an error code, followed by a
5 second break. See error list.
Indication of the error number as well as the option to indicate a log
of specific operations covering a longer period of time.
Indication of a specific error code.
Description
Number of flashes in the display (wired re-
mote control)
LED for filter reset on the ventilation unit
Acoustic signals
Error number indicated on the display of the
hand-held remote control, the smartphone
app or in the PC Tool
Code
Meaning
-
-
Y
yellow LED flashes
R
red LED flashes
0
no acoustic signals
1
one acoustic sig-
nal/hour
2
one acoustic sig-
nal/sec
-
E.g., "E12" stands
for error num-
ber 12.
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