478
Heat Sink Overheat Warning
The inverter monitors the temperature of its internal heatsink, and gives out the heat
sink overheat warning signal (OHF) when the temperature exceeds the overheat
warning level ().
Option
Terminal
Code
Symbol
OHF
Valid for inputs:
Required settings
Notes:
Function Name
State
Heat sink overheat
warning
11, 12, AL0 – AL2
ON
Heat sink temperature exceeds the
OFF
Heat sink temperature does not exceed the
level
Example for terminal [11] (default output
configuration shown – see
Inverter output
terminal circuit
Example for terminal [AL0], [AL1], [AL2] (requires
output configuration – see
Inverter logic
circuit board
AL0
Power
supply
See I/O specs on
Description
set level
page
3-89):
OHF
CM2
11
RY
page 4-51 and
3-91):
OHF
AL1
AL2
Load
page 4-6
set