Argoclima oscar junior - 7-5 Fan works at one speed only; 7-6 Poor cooling

7-5 Fan works at one speed only
Check electrical conec- NO Fit electrical connec -
tions. Is there continuity ? tions properly
YES
Check power supply NO Replace the electronic
between 1-7(high) or control (CE)
1-8(low) electronic control
contacts (CE)
YES
Check fan motor winding
values (MV)
YES
Replace fan motor (MV)
7-6 Poor cooling
Is the unit cooling capacity NO Suggest a more power-
suitable for the room ful unit
thermal loads ?
YES
Are both air filters and heat NO Clean filters and / or
exchanger cleaned ? heat exchanger
YES
Check if Difference bet- YES The unit works properly
ween room air
temperature and outlet air
delivered is up to 10 °C
NO
Low
NO
gas charge
Proceed with
normal operations
foreseen for the
above points
14