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6 FAILURES AND TROUBLESHOOTING
If the appliance breaks down, BEFORE TAKING ANY ACTION, refer to the following parts:
▪
Safety instructions: Before intervening, make sure you have read the safety instructions:
(see General information).
6.1 LED colour indications for the control unit
The control unit has an indicator that changes colour to show operating status. If the colour is not BLUE
or flashes, refer to the table below:
LED colour
Flashing blue
Yellow
Red
Slowly flashing blue
6.2 Table of the main faults
Fault
Flashing control unit
indicators
Error code
on control unit
Blown air is too cold
Inadequate
vent flow
Noisy product
The machine fails
to obey control unit
instructions
Sensor data is static
Information
The control unit batteries are flat.
The filter is clogged.
The machine has detected a failure.
The VMI® is operating correctly.
Cause
The VMI® unit requires an
intervention.
Product fault
Set temperature is too low
Incorrect product configuration
Unbalanced system
Leak in the system
Air flow network crushed or
excessive load loss
Incorrect product configuration
Clogged filter
- Control unit too near or too far
- Incorrect pairing
- Sensors are OFF
- Sensors are too far
- Sensors have been ON for less than
10 minutes
Change the batteries
Change the filter
Check the error code shown on
the control unit.
Contact the technical
department.
Solution
See the table of colour indications
See error code table
Increase the preheat temperature
Check installation settings
Check the lengths of network branches
Seal the system better
Check system
Check installation settings
Change the filter
- Place the control unit between 2 and 20 m
from the VMI®
- Run the unpairing procedure via the
CONTROL UNIT, and then repeat pairing
- Activate the switch for the indoor air
quality sensors
- Place the sensors at a distance of less than
20 m
- Wait for at least 10 minutes
(communications interval)
Action
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