Maintenance And Troubleshooting; Routine Maintenance Operations; Troubleshooting - Zehnder 40019309 Notice D'utilisation

8. Maintenance and troubleshooting tips

8.1 Routine maintenance operations

High-quality materials and surface treatment protect your appliance against corrosion and
impacts.
tions:
- Never use abrasive or corrosive products on the outer surfaces of the appliance (except the

8.2 Troubleshooting

Despite all our efforts in manufacturing our products, you may encounter some easy-to-solve
Nonetheless, should you fail to solve the problem encountered, please contact your supplier's
after-sales service for assistance.
Problem Diagnosis
The temperature setting on the
remote control is incorrect.
The mixed appliance has not
The appliance is operated by a
programming unit.
The load shedder is enabled
and has shut down heating on
The appliance is not
the appliance.
heating.
The appliance has not be
paired with the remote control
(the icon is not displayed
on the remote control screen).
An open window detected
other colours: fault.
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-
Procedure
the appliance to start heating (see
chapter 5.2).
chapter 3.2).
See the programming unit manufac-
turer's manual.
Remove the batteries from the
remote control, wait a few seconds,
then replace the batteries and pro-
ceed with pairing (see chapter 4.1).
Turn off the window opening
detection function (see chapter 5.3,
parameter 1).
Contact your installer or after-sales
service.
40019121
Problem Diagnosis
Your appliance is not
powered up.
The appliance is not
Your appliance is not turned
on.
function is not activated.
The appliance continues
The correct operating
to heat, even though a
conditions for the window
window is open.
opening/closure detection
function have not been met.
The appliance does The correct operating
not start to heat again, conditions for the window
although a window has opening/closure detection
been closed. function have not been met.
The remote control does The remote control is
not allow operations.
Communication problems Remote control and/or radio
between remote control frequency communication
and appliance. problem.
Pairing has been lost The remote control and the
following a power failure. appliance have to be reset.
The appliance will automa-
less than one hour, the tically recover its settings in
appliance appears to less than an hour.
have lost its settings.
The screen of the remote
control (stored in the by excess heat. It has no
drawer behind the radia- effect on the operation of
your remote control.
02/2019
Procedure
connected and powered (see
chapter 2.2).
turned on (see chapter 5.1).
sending a load shedding stop order.
Activate the function (see
chapter 5.3, parameter 1).
See chapter 5.6
See chapter 5.6
chapter 5.1).
appliance).
according to the commands sent.
-
led by a pilot wire unit.
replace the batteries.
See chapter 8.3
-
Remove the remote control from the
drawer and leave it at room tempe-
rature, until the screen returns to
normal.
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