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L8-78: Power Unit Output Phase Loss Protection
Protects the power unit from phase loss.
Note: This parameter is only available in models 4A0930, 4A1200, and A1000 HHP.
No. Name Setting Range Default
L8-78 Power Unit Output Phase Loss Protection 0, 1 1
Setting 0: Disabled
Setting 1: Enabled
n
L8-86: Detection Selection when Panel Fan Fails
Detects the loss of the drive panel fan by the panel fan input.
Note: Settings 3 or 4 reduce inverter O/L level from 100% to 80%
No. Name Setting Range Default
L8-86 Detection selection when Panel Fan Fails 0 to 5 1
Setting 0: Ramp Stop (Fault)
Setting 1: Coast Stop (Fault)
Setting 2: Fast Stop (Fault)
Setting 3: Continue Running (Alarm)
Setting 4: Continue Running at L8-19 Speed
Setting 5: Disabled
n
L8-87: Detection Selection when Diode Converter Fans Fail
Detects the loss of the Diode Converter fans by the fan control input.
Note: Settings 3 or 4 reduce drive O/L level from 100% to 80%
No. Name Setting Range Default
L8-87 Detection Selection when Diode Converter Fans Fail 0 to 5 1
Setting 0: Ramp Stop (Fault)
Setting 1: Coast Stop (Fault)
Setting 2: Fast Stop (Fault)
Setting 3: Continue Running (Alarm)
Setting 4: Continue Running at L8-19 Speed
Setting 5: Disabled
1.8 L: Protection Functions
YASKAWA ELECTRIC SIEP YEAHHP 01B YASKAWA AC Drive – A1000 HHP Programming Manual
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Parameter Details