LSIS LSLV-S100 - Fan Fault Detection

264
Learning Protection Features
Code
Description
- At Pr.29, the under load rate is decided based on twice the operation
frequency of the motor’s rated slip speed (bA.12 Rated Slip).
- At Pr.30, the under load rate is decided based on the base frequency set
at dr.18 (Base Freq).An upper limit and lower limit is based on the
inverter’s rated current.
Fan Fault Detection
Group
Code
Name
LCD Display
Parameter Setting
Setting range
Unit
Pr
79
Cooling fan fault
selection
FAN Trip
Mode
0
Trip
OU
31
Multi-function relay 1
Relay 1
8
FAN
Warning
-
32*
Multi-function relay 2
Relay 2
33
Multi-function output 1
Q1 Define
* Available for 30-75kW models only.
Fan Fault Detection Setting Details
Code
Description
Pr.79 FAN Trip
Mode
Set the cooling fan fault mode.
Setting
Function
0
Trip
The inverter output is blocked and the fan trip is
displayed when a cooling fan error is detected.
1
Warning
When OU.33 (Q1 Define) and OU.31 (Relay1)
are set to 8 (FAN Warning), the fan error signal
is output and the operation continues.
OU.31 Relay1,
OU.32 Relay2,
OU.33 Q1 Define
When the code value is set to 8 (FAN Warning), the fan error signal is
output and operation continues. However, when the inverter inside
temperature rises above a certain level, output is blocked due to activation
of overheat protection.