Nixie Tube Display - Huawei R100020G1 User Manual

R100020G1 Charging Module
User Manual
Indicator
Fault indicator
(red)

2.4.3 Nixie Tube Display

The nixie tubes display the current output voltage by default (000 is displayed
when there is no output). An error code is displayed when fault occurs.
Issue 05 (2021-11-16)
Status
Steady on
Off
Steady on
NO TE
● If the charging module has no output due to mains failure (no AC input), the indicators
are off.
● Indicators are not mutually exclusive. The three indicators can turn on at the same time
if conditions are met.
● During software loading, the green, yellow, and red indicators turn on in turns. After the
loading is complete, all indicators stop blinking.
Copyright © Huawei Digital Power Technologies Co., Ltd.
Description
● Ambient overtemperature protection
● Ambient undertemperature protection
● Internal overheating
● Fan fault
● AC input overvoltage, undervoltage,
phase failure, or severe voltage
imbalance
● Slight or severe current imbalance
● Incorrect or duplicate module
hardware address
● Output capacitance imbalance
● Output relay alarm
● Poor output connection
● Communication failure between the
charging module and external devices
● Air filter blockage alarm
● Output short circuit alarm
Normal: The charging module is normal.
● Lockout due to output overvoltage
● Lockout due to output short circuit
● Communication failure between the
primary side and the secondary side
● Abnormal discharge circuit of the
output capacitance
● Unrecoverable no-output breakdown
2 Overview
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