11_Troubleshooting - Tecnosystemi HI-TECH PUR 4.0 User Manual

11_DIAGNOSIS AND TROUBLESHOOTING
All the decommissioning operations must be performed by qualified personnel in compliance with the national legislation
in force in the destination country.
The structure and the various components, if unusable, must be demolished and divided according to their nature.
All the materials must be recovered or disposed of in compliance with the relevant national regulations.
PROBLEM
Machine off
Difficulty starting
Poor or no air flow
High noise level
High vibrations
Loss of condensation
Decline in performance
over
time
Pulsation in the air flow
CAUSES
No power supply
Remote control connection interrupted
Low power supply voltage
Filters clogged
Fan dirty
Fan ducts clogged
Insufficient fan speed
Noise from the unit
Vibrating panels
Unbalanced fan blades
Condensate drain clogged
Condensate does not flow from the exhaust duct
Leaks in the aeraulic channels
Fans working in almost zero flow conditions Check power supply voltage
Check power supply voltage
Increase the minimum speed of the fans
SOLUTIONS
Check the connection to the mains
Check and correctly connect the panel to
the unit
Check that the power supply voltage is
consistent with that indicated on the unit
identification label
Replace the filters
Clean the fan
Clean the ventilation ducts
Check the power supply voltage
Check for cracks and/or air leaks from the
unit panels
Check the siphon connection
Check if the motors are turning correctly
(bearings)
Check the integrity of the panels and pro-
files of the unit
Check that the lid of the unit and the pan-
els that block access to the filters are
closed correctly
Check that there is no direct contact be-
tween the unit and the walls which could
transmit vibrations to the walls / floor /
false ceilings
Check the integrity of the blades
Clean the fans
Clean the condensate drain
Check that the unit is perfectly level
Check that the condensate drain connec-
tions are not blocked
Check and restore the tightness of the
channels
Increase the minimum speed of the fans
Check or modify the suction ducts
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