Alarm Conditions
All of the Alarm Conditions, when active, toggle back and forth between the two message states below.
Thermal Alarm
D1 Thermal
D2 A=0.500
Hold Entr to Clr
D2 A=0.500
• Shuts off and disables daughterboard indefinitely.
• Motherboard LCD toggles alarm and instruction on how to re-enable
the daughterboard.
• Affected daughterboard’s alarm LED blinks on and off.
Amp Limited Alarm
D1 Amp Limited
D2 A=0.500
D1 A=1.100
D2 A=0.500
• Triggered when individual daughterboard’s load current is above 1.0 Amps.
• Does NOT shut off or disable daughterboard.
• Motherboard LCD toggles alarm and instruction on how to clear the alarm.
• Affected daughterboard’s alarm LED blinks on and off.
Phase Current
Imbalance Alarm
D1L1 High Amp
D2 A=0.500
D1L1 A=0.750
D2 A=0.500
• Triggered when load current of one wire is 2x higher than the opposite wire
for a minimum 20 seconds.
• 20 second timer is reset when load current of one wire is no longer 2x higher.
• Does NOT shut off or disable daughterboard.
• Motherboard LCD toggles alarm and instruction on how to clear the alarm.
• Affected daughterboard’s alarm LED blinks on and off.
The display difference between the High Current Alarm and Phase Current Imbalance Alarm is subtle:
Notice the two-character difference in the display on the first line:
“D1” (High Current Alarm) vs. “D1L1” (Phase Imbalance).
Clear Alarms
To clear any of the above alarm conditions, hold ENTER to clear the alarm.
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Lynx® SmartHub Installation and User Guide
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