Batt. Low Temp; Door Alarm; Water Alarm - Huawei ETP48400-C9A2 User Manual

ETP48400-C9A2 Embedded Power
User Manual
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7.2.15 Batt. Low Temp.

Possible Causes
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Measures
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7.2.16 Door Alarm

Possible Causes
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Measures
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7.2.17 Water Alarm

Possible Causes
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Issue 05 (2020-04-07)
Check whether the battery temperature sensor is faulty. If so, replace the temperature
sensor.
This alarm is generated only for the power system that has a battery temperature sensor installed.
The low battery temperature alarm threshold is incorrectly set on the SMU.
The battery temperature control system is faulty.
The battery temperature sensor is faulty.
Check whether the low battery temperature alarm threshold (-10° C by default) is
correctly set. If not, set the threshold to the correct value.
Check whether the temperature control system for the battery compartment is faulty. If
so, rectify the fault. The alarm is cleared when the temperature in the battery
compartment becomes normal.
Check whether the battery temperature sensor is faulty. If so, replace the battery
temperature sensor.
This alarm is generated only for the power system that has door status sensor installed.
The cabinet doors are open.
The door status sensor is faulty.
Close cabinet doors.
Check whether the door status sensor is faulty. If yes, replace the door status sensor.
This alarm is generated only for the power system that has a water sensor installed.
There is water inside the cabinet.
The water sensor is faulty.
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