Batt Loop Trip; High Amb. Temp; Low Amb. Temp - Huawei TP48200A-HX09A2 User Manual

TP48200A-HX09A2, TBC300A-TCA2 Outdoor Power
System
User Manual

4.2.9 Batt Loop Trip

Possible Causes
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Measures
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4.2.10 High Amb. Temp.

Possible Causes
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Measures
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4.2.11 Low Amb. Temp.

Possible Causes
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Issue 02 (2019-02-26)
The battery circuit breaker or fuse detection cable is loosely connected.
The battery circuit breaker has tripped or the battery fuse has blown.
The contactor is faulty.
Check whether the battery circuit breaker or fuse detection cable is loosely connected. If
so, reconnect the cable.
Check whether the battery circuit breaker has tripped or the battery fuse has blown. If so,
rectify the battery loop fault and then switch on the circuit breaker or replace the fuse.
Manually switch on or switch off the battery contactor and check whether the battery
current changes accordingly. If not, replace the contactor.
This alarm is generated only for the power system that has an ambient temperature sensor installed.
The high ambient temperature alarm threshold is incorrectly set.
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 high ambient temperature alarm threshold (50° C by default) is
correctly set. If no, adjust it to a proper value.
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 an ambient temperature sensor installed.
The low ambient temperature alarm threshold is incorrectly set.
The temperature control system is faulty in the cabinet where the ambient temperature
sensor is located.
The ambient temperature sensor is faulty.
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