Preventive Maintenance; Function Module - Huawei PowerCube 500 User Manual

PowerCube 500 (CPS300-N18A1H)
User Manual

4.1 Function Module

Table 4-1 Function module maintenance
No.
1
2
3
Issue 02 (2019-08-30)
4
Maintenance Item
Check whether the
run indicator (green)
blinks slowly (0.5
Hz).
Check whether the
alarm indicator
(yellow) is off.
Check whether the
fault indicator (red)
is off.
Copyright © Huawei Technologies Co., Ltd.

Preventive Maintenance

Possible Fault Cause

Off: The function
module has no
power input or is
faulty.
 Blinking fast (4 Hz):
The function module
fails to communicate
with upstream
monitoring
equipment.
 Blinking slowly:
There is an alarm.

Steady on: The
function module has
generated an alarm
(AC power failure or
PV array fault).
 Blinking slowly:
The function module
has an external fault.
 Steady on: The
function module has
an internal fault.
4 Preventive Maintenance
Suggestion
1. Verify the power input to the
function module and the
cable connections.
2. Verify that the function
module communications
cable is correctly connected
and the upstream monitoring
equipment works properly.
3. Replace the function module.
Handle the alarm based on the
alarm type (see 5 Alarms and
Troubleshooting).
1. Handle the alarm based on
the alarm type (see 5 Alarms
and Troubleshooting).
2. Replace the function module.
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