Huawei PowerCube 500 User Manual page 48

PowerCube 500 (CPS300-N18A1H)
User Manual
Indicator
Status
Steady red
Issue 02 (2019-08-30)
Alarm Name Possible Cause
overvoltage occurs.
 Ambient
overtemperature
occurs.

53VDC output Output overpower
Protect occurs.
 Output overcurrent
occurs.
 53 V DC output
overvoltage occurs.
 Ambient
overtemperature
occurs.
High Ambient
Temperature overtemperature
Protect occurs.
24VAC The 24 V module
Module Fault hardware in the
module is faulty.
53VDC The 53 V module
Module Fault hardware in the
module is faulty.
Solar Function The solar function unit
Unit Module is abnormal.
Fault
AC Module The AC module
Fault hardware in the
module is faulty.
AC Surge  The module SPD
Protector Fault provides
insufficient surge
protection.

The module is
abnormally
Copyright © Huawei Technologies Co., Ltd.
5 Alarms and Troubleshooting
Solution

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.
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.
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.
Replace the function module.
Replace the function module.
Replace the function module.
Replace the function module.
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
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