Crbb-2-280-040L E11-1 Mp; Inspection Of The Ventilation System - Salda VEGA Series Manual

20.14. CRBB-2-280-040L E11-1 MP

21. INSPECTION OF THE VENTILATION SYSTEM

For the ventilation unit to work efficiently, once a year perform the inspection of the entire ventilation system, i.e. ensure that the air intake gratings
and air supply devices are not contaminated. Inspect if the air duct system is not contaminated. If necessary, clean these devices or replace them
with the new.
22. IMPROPER OPERATION AND REPAIR
• Fault removal works shall be performed only by trained and qualified personnel.
• Before start of repair works, ENSURE THAT the unit is connected from the supply voltage and wait unit the fan motor stops and the heating
elements cool down.
• Follow the above safety requirements.
The unit switches-off:
• Check if voltage and current of the mains correspond to the requirements indicated in the product label.
• Check for power availability to the unit.
• Upon elimination of power supply faults, switch-on the unit again.
• Check if the alarm signal is displayed on the remote controller. When the cause is found (see the section Indication of the remote controller
alarm signals and PCB indication), solve it and reconnect the unit.
The fan does not rotate:
• Check if the fuses on control board are not blown.
• Check the settings in the remote controller (fan rotation speed, time, date, event, etc.).
• Check if the alarm signal is on.
Decreased air flow:
• Check the settings in the remote controller (fan rotation speed, time, date, event, etc.).
• Check if the air intake damper is not closed.
• Check if the air filter is not contaminated.
• Check if the fan needs to be cleaned.
• Check if the ventilation system needs to be cleaned.
Cold supply air:
• Check the settings in the remote controller (supply air temperature, time, date, event, etc.).
• Check for the electric heater switch off (see section PCB indication). If necessary, press the Reset button on the heater.
Increased noise and vibration:
• Clean the fan as described in Fan maintenance.
If the fault can not be removed, please contact the supplier.
VEGA v2019.06 EN | 35