Water Alarm; Smoke Alarm; Rect Fault; Rect Protect - Huawei ETP4830-A1 User Manual

ETP4830-A1
User Manual

7.2.15 Water Alarm

Possible Causes
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Measures
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2.

7.2.16 Smoke Alarm

Possible Causes
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Measures
1.
2.

7.2.17 Rect Fault

Possible Causes
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Measures
1.
2.

7.2.18 Rect Protect

Possible Causes
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Issue 06 (2014-02-20)
This alarm is generated only for the power system that has water sensors installed.
Water intrudes into the cabinet.
The water sensor is faulty.
Check whether water intrudes into the cabinet. If yes, wipe the water with dry cotton or
other tools and rectify the fault.
Check whether the water sensor is faulty. If yes, replace the water sensor.
This alarm is generated only for the power system that has smoke sensors installed.
There is smoke inside the cabinet.
The smoke sensor is faulty.
Check whether there is smoke inside the cabinet. If yes, disconnect the power supply
from the cabinet, handle the fault, and then resume system operation and clear the alarm
on the SMU.
Check whether the smoke sensor is faulty. If yes, replace the smoke sensor.
The rectifier is in poor contact.
The rectifier is faulty.
Check the Fault indicator on the rectifier panel. If it is steady red, remove the rectifier,
and then reinstall it after the indicator turns off.
If the alarm still exists, replace the rectifier.
The rectifier input voltage is too high.
The rectifier input voltage is too low.
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