Amb. Under Temp; Batt Over Temp; Batt Under Temp - Huawei ETP4830-A1 User Manual

ETP4830-A1
User Manual
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7.2.7 Amb. Under Temp

Possible Causes
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Measures
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7.2.8 Batt Over Temp

Possible Causes
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Measures
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7.2.9 Batt Under Temp

Issue 06 (2014-02-20)
Check whether the temperature control system in the cabinet is faulty. If yes, rectify the
fault. The alarm is cleared when the cabinet temperature falls within the allowed range.
Check whether the ambient temperature sensor is faulty. If yes, replace the temperature
sensor.
This alarm is generated only for the power system that has ambient temperature sensors installed.
The ambient undertemperature alarm threshold is not set properly on the SMU.
The temperature control system is faulty in the cabinet where the ambient temperature
sensor is located.
The ambient temperature sensor is faulty.
Check whether the ambient undertemperature alarm threshold (0° C by default) is
properly set on the SMU. If no, adjust it based on site requirements.
Check whether the temperature control system in the cabinet is faulty. If yes, rectify the
fault. The alarm is cleared when the cabinet temperature falls within the allowed range.
Check whether the ambient temperature sensor is faulty. If yes, replace the ambient
temperature sensor.
This alarm is generated only for the power system that has battery temperature sensor installed.
The battery overtemperature alarm threshold is not set properly on the SMU.
The battery temperature controlling system is faulty.
The battery temperature sensor is faulty.
Check whether the battery overtemperature alarm threshold (50° C by default) is properly
set. If no, adjust it to a proper value.
Check whether the battery temperature controlling system is faulty. If yes, rectify the
fault. The alarm is cleared when the battery temperature falls within the allowed range.
Check whether the battery temperature sensor is faulty. If yes, replace the temperature
sensor.
This alarm is generated only for the power system that has battery temperature sensor installed.
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