Zehnder ComfoVar Aero Manuel D'installation Et D'entretien page 60

8. Malfunctions
In case of recurring malfunctions, please contact the manufacturer.
Make sure that the device, which wants to connect wirelessly (via RF or Wi-Fi) to the CM, is within 2 metres
of the CM.
function error or malfunction
Wi-Fi if there are multiple users
trying to connect to the Wi-Fi
AP
Wi-Fi connection error
Wi-Fi connected for too long
Wi-Fi active for too long
RF cannot make RF connection
or link
web server multiple failed login attempts
data display of current
device not possible
data display of current
network devices not possible
exceeding WI-Fi connection
capacity; it is not possible to
display the website
VM sensors incorrect measurements of
the pressure sensor (e.g.
pressure sensor damaged or
twisted)
no communication with the
pressure sensor
moving the stepper motor
does not result in the
expected air volume flow
60 - EN
10001124369-0123-zw-zw-A4 ComfoVar Aero Installer_Service Zehnder-General_BOOK_2.indb 60 10001124369-0123-zw-zw-A4 ComfoVar Aero Installer_Service Zehnder-General_BOOK_2.indb 60
location visualisation
web server N/A
LED LED flashes quickly
N/A LED off
N/A LED off
web server brief description of the error
and of the possible cause (e.g.
RF network not available)
any UI (e.g. web a login error message, or a
browser on check password message, or a
laptop or warning about the number of
smartphone) allowed remaining login
attempts appears
web server brief description of the error
and its possible cause (e.g.
ComfoNet connection failed,
no ComfoNet device detected)
web server brief description of the error
and its possible cause (e.g.
Modbus connection failed, no
Modbus device detected)
any UI (e.g. web standard HTML error (e.g.
browser on page loading failed)
laptop or
smartphone)
web server brief description of the fault
and its possible cause (e.g.
pressure sensor possibly
damaged)
web server brief description of the fault
and its possible cause (e.g.
pressure sensor possibly
damaged)
web server and web server: brief description of
error LED the fault and of the possible
cause (e.g. defective stepper
motor, contamination in the
pipe in which the valve is
located, incorrect flow
measurements)
LED: the error LED is on
(critical error)
action
allow the last user to connect
to the Wi-Fi AP and delete all
other Wi-Fi AP connections
N/A
Wi-Fi module switches off
after 4 hours
Wi-Fi module switches off
after 4 hours
restart the RF module
after 3 unsuccessful login
attempts you cannot log in for
10 minutes; after that you can
log in again
N/A
N/A
refresh the page to check if
the connection is available
again
compare with the previous
measurement; discard
measurement if difference is
outside expectation; accept
measurement if within trend;
start self-test
N/A
start a self-test
24-01-2023 11:11 24-01-2023 11:11