Huawei PowerCube 500 - Page 48

PowerCube 500 (CPS300-N18A1H)
User Manual
5 Alarms and Troubleshooting
Issue 02 (2019-08-30)
Copyright © Huawei Technologies Co., Ltd.
42
Indicator
Status
Alarm Name
Possible Cause
Solution
overvoltage occurs.

Ambient
overtemperature
occurs.

If no, go to the next step.
2. Check whether the function
module surface temperature
at noon is less than 45°C.

If yes, contact Huawei
technical support.

If no, add a sunshade.
53VDC output
Protect

Output overpower
occurs.

Output overcurrent
occurs.

53 V DC output
overvoltage occurs.

Ambient
overtemperature
occurs.
1. Check whether the 53 V DC
output port is short-circuited
or overloaded.

If yes, rectify the short
circuit or reduce the load.

If no, go to the next step.
2. Check whether the function
module surface temperature
at noon is less than 45°C.

If yes, contact Huawei
technical support.

If no, add a sunshade.
High
Temperature
Protect
Ambient
overtemperature
occurs.
1. Check whether the operating
ambient temperature of the
function module is greater
than 45°C.

If yes, add a sunshade.

If no, contact Huawei
technical support.
Steady red
24VAC
Module Fault
The 24 V module
hardware in the
module is faulty.
Replace the function module.
53VDC
Module Fault
The 53 V module
hardware in the
module is faulty.
Replace the function module.
Solar Function
Unit Module
Fault
The solar function unit
is abnormal.
Replace the function module.
AC Module
Fault
The AC module
hardware in the
module is faulty.
Replace the function module.
AC Surge
Protector Fault

The module SPD
provides
insufficient surge
protection.

The module is
abnormally
1. Replace the function module.
2. Check whether the AC input
cables are routed overhead to
the function module or
whether the function module
is used for an expressway