Checks; Operating Faults; Table Of Main Faults; Error Codes Shown On The Control Unit - VENTILAIRSEC VMI PUREVENT Installation And Maintenance Manual

5.5.2 Checks

To ensure the appliance remains effective, it is important to check the following points:
- The condition of the duct system. Clean or change it if necessary.
- The roof outlet or the suction grille must be clear and not obstructed by anything (nest,
leaves, etc.). If it is obstructed, clean it following the safety rules.
- The various air passages (openings, grilles, clearance under doors) must not be obstructed or
reduced in size.

6 OPERATING FAULTS

6.1 Table of main faults

Fault
Indicators flashing
Error code on
control unit
Blown air is too cold
Water sound
Flow rates at
openings are too
low
Noisy product

6.1.1 Error codes shown on the control unit

Error codes
E1
E2
E3
E4
E5
E6
E9
Cause
The VMI® unit requires an
intervention
Product fault
Set temperature is too low
Siphon deprimed
Drainage clogged
Battery poorly vented (internal
noise)
Incorrect product configuration
Unbalanced system
Leak in the system
Air flow network crushed or
excessive load loss
Incorrect product configuration
Filter clogged
Faults
Faulty heaters
Faulty motor
Fault with one or more air quality sensors
Faulty control unit sensor
Faulty probe
Loss of communication with VMI®
Multiple faults detected
Remedy
See the table of colour indications.
See error code table.
Increase the preheat temperature.
Check that the siphon contains water.
Unblock the duct.
Clear the way again.
Review installation settings.
Check the system's line lengths.
Seal the system better.
Check system.
Review installation settings.
Replace the filter.
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