Troubleshooting; Care And Maintenance; Maintenance - Vaillant VAZ RC Operating Instructions Manual

5 Troubleshooting

4.4.4 Setting up a ventilation unit as
a SLAVE
Applicability: VAZ RCW
Conditions: The ventilation unit is on the opposite
side to the MASTER
▶
Press the button for ventilation (5) twice
in order to set up a ventilation unit as a
SLAVE.
– The ventilation unit now has the op-
posite ventilation direction to the
MASTER.
Conditions: The ventilation unit is on the same side
as the MASTER
▶
Press the button for aeration (6) twice
in order to set up a ventilation unit as a
SLAVE.
– The ventilation unit now has the
same ventilation direction as the
MASTER.
4.4.5 Resetting the product to the
factory settings
Applicability: VAZ RCW
If required, you can reset the product to
the factory settings in order to set up a
ventilation unit again as a MASTER or
SLAVE. Existing assignments are deleted
when you do this.
▶
Switch off the product.
▶
Initialise the product (→ Page 105).
4.4.6 Eliminating any set-up faults
Applicability: VAZ RCW
Conditions: The ventilation units do not communic-
ation with each other
OR: The ventilation unit cannot be set up as the
MASTER nor as a SLAVE
▶
Reset the ventilation unit to the factory
settings. (→ Page 106)
▶
Reassign the code to the ventilation
unit. (→ Page 105)
106
4.4.7 Resetting the LED
After 2000 operating hours, the LED on
the MASTER signals that the filters and
regenerators on the connected ventilation
units need to be cleaned (→ Operating
instructions for the ventilation unit).
▶
To reset the LED after the unit has been
cleaned, press the following buttons.
– Press the button for the lowest air
humidity level twice
– Press the button for the medium air
humidity level twice
– Press the button for the maximum air
humidity level twice
5 Troubleshooting
Conditions: Ventilation units do not work
▶
Switch off the product.
▶
Ensure that the fan unit is correctly
mounted on the wall-mounting frame
and the contact for the plug connection
has been established.
Conditions: The remote control and MASTER do
not communicate with each other
▶
Shorten the radio link to less than 15 m.
Conditions: Ventilation units only work in night
mode
▶
Ensure that the MASTER is not
covered.

6 Care and maintenance

6.1 Maintenance

Regular product maintenance is not re-
quired.
Operating instructions 0020236700_01