6 Trouble shooting
WARNING!
All maintenance work listed below must be carried out without current, i.e. with the plug
pulled out.
Problems
Slow fan operation
Slow air flow
The fan activates electric fuse
Creaking noises in the blower
Probable reasons
Incorrect power supply
Damaged power cord
Damaged motor or switch
Obstructions at air inlet
The extension cord is too long
Incorrect parameters of power supply
The blower fan is not in correct plane
Solutions
Check the cable and power socket, and if
the switch is off
Replace the power cord
Replace the motor or switch
Clean the inlet
Use a shorter extension cord
Find a correct power supply circuit
Contact an authorised maintenance
service
10
M1.2.RV3500-RV4000 - 03042024
EN