VMI VISION'R VENTILAIRSEC CUBE Notice page 88

OPERATING FAULTS
Safety instructions: Before starting works, make sure you have read the safety instructions:
If the solution to the breakdown or the fault is not shown as an "Operation that can be carried
out by the user" in this manual or does not appear in the manual, please contact a technician.
A. LED colour indications for the control unit
The VMI CUBE system and the control unit have an indicator that changes colour according to
®
the operational status. If the colour is not BLUE or flashes, refer to the table below:
LED colour
Flashing blue
Yellow
Red
Slowly flashing blue
B. Table of the main faults
Fault
Indicators flashing
Error code on
control unit
Blown air is too
cold
Flow rates at
openings are too
low
Noisy product
Information
The control unit batteries are flat.
The filter is clogged.
The machine has detected a failure.
The VMI ® unit is operating correctly.
Cause
The VMI unit is requesting action. See the table of colour indications.
®
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
Action
Change the batteries.
Change the filter.
Check the error code shown
on the control unit.
Contact the technical
department.
Solution
See error code table.
Increase the preheat temperature
Check installation settings.
Check the lengths of network
branches.
Improve system sealing.
Check the system.
Check installation settings.
Change the filter.
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