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Useful functions
5.19 Useful functions
5.19.1 Cooling fan operation selection (Pr. 244)
In either of the following cases, fan operation is regarded as faulty and [FN] is shown on the operation panel.
Pr. 244 = "0"
When the fan comes to a stop with power ON.
Pr. 244 = "1"
When the inverter is running and the fan stops during fan ON command.
Purpose Parameter that should be Set Refer to Page
Increase cooling fan life
Cooling fan operation
selection
Pr. 244
176
To determine the maintenance time
of parts
Inverter part life display Pr. 255 to Pr. 259
177
Maintenance output
function
Pr. 503, Pr. 504
180
Freely available parameter Free parameter Pr. 888, Pr. 889
181
You can control the operation of the cooling fan built in the inverter (FR-E720-1.5KNF or higher, FR-E740-1.5KNF or
higher).
Parameter
Number
Name Initial Value Setting Range Description
244
Cooling fan operation
selection
1
0
Operates in power-ON status.
Cooling fan ON/OFF control invalid (the
cooling fan is always ON at power ON)
1
Cooling fan ON/OFF control valid
The fan is always ON while the inverter is
running. During a stop, the inverter status
is monitored and the fan switches ON-
OFF according to the temperature.
The above parameters can be set when Pr.160 User group read selection = "0". (Refer to page 167)