82 Rockwell Automation Publication 7000-TG002J-EN-P - March 2015
Chapter 2 Warning Messages
2U Low Amb Temp 437 The drive detected low ambient temperature at the specified
location.
• Verify if the warn level setting matches factory recommendation.
2V Low Amb Temp 439
2W Low Amb Temp 441
2U Low Airflow 388 The cooling airflow velocity on the specified power stack is
below the trip/warn level.
• Be sure that there are no obstructions to the path of the incoming
and/or outgoing air flow.
• Check for cooling fan deterioration.
• Verify if the trip (P840) and warn (P841) settings match the factory
recommended values.
2V Low Airflow 389
2W Low Airflow 390
2U Over Temp 448 The drive detected high heatsink temperature at the specified
location.
• Verify if the warn (rectifier P112, inverter P316) and trip settings
(rectifier P111, inverter P315) match the factory recommended
values.
2V Over Temp 449
2W Over Temp 450
2U Temp Sensor 396 The specified temperature reading is out of normal range. • Be sure that the temperature sensor is correctly plugged in and is
not damaged.
2V Temp Sensor 397
2W Temp Sensor 398
All Drive Types
PF7000A
PF7000B
PF7000C
Marine Drive
Heat pipe Drive
Warning Message Warning
Code
Description Recommended Action(s)
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