IMPULSE•G+ Mini Advanced Instruction Manual – March 2014
5-75
Hardware Protection
The IMPULSE•G+ Mini comes equipped with a number of built-in functions designed to protect the
inverter and its components from damage.
Parameter
Code Name Function Range
Initial
Value
Access
Level
L08.02 OH Pre-Alarm Level Sets the heatsink temperature level for
protection against
overheat (OH).
Note: The inverter measures heatsink
temperature by a negative temperature
coefficient thermistor.
50–130°C 95 Adv
L08.03 OH Pre-Alarm Selection Selects the stopping method when
heatsink overheat is detected.
00–05 05 Adv
00 Decel to Stop (Decel to stop using B05.02)
01 Coast to Stop (Immediate stop)
02 Fast-Stop (Decel to stop using B05.08)
03 Use B03.03 Method Uses programmed B03.03 Method
04 Alarm Only (Operation continues and “OH
Heatsink Overtemp” is displayed on
keypad)
05 Derated Operation Operation continues, but derates the
frequency based on L08.19
L08.05 Input Phase Loss Selection Input phase loss detection 00, 01 01 Adv
00 Disabled
01 Enabled
L08.06 Input Phase Detection
Level
Input phase loss detection level
Note: Increasing L08.06 level from
default may cause DB Bus Capacitor
Failure
0.0–50.0% 5.0 Adv
L08.07 Output Phase Loss
Selection
Output phase loss detection 00–02 01 Adv
00 Disabled
01 1PH Loss Det
02 2/3PH Loss Det
L08.08 Output Phase Loss
Detection Level
Output Phase Loss Detection Level 0.0–20.0% 5.0 Adv
L08.09 Ground Fault Detect Enables/disables ground fault
detection
00, 01 01* Basic/Adv
00 Disabled
01 Enabled
L08.10 Fan Operation Selection Cooling fan operation select 00, 01 00 Adv
00 Fan On-Run Mode Fan will operate (L08.11) seconds
after Run Command is removed
01 Fan Always On
L08.11 Fan Off-Delay Time Fan delay time 0–300 sec 60 Adv
L08.12 Ambient Temp Adjusts Overload (OL2) Protection
for high ambients
-10–50°C 40° Adv
L08.15 OL2 Sel @ Low Spd Enables/disables OL when output
frequency <
6 Hz
00, 01 01 Adv
00 Disabled Note: setting depends on D10.02
01 Enabled
* Value depends on drive model
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