Troubleshooting - Huawei SUN2000L-2KTL Quick Manual

2. Power off the battery pack.
• Do not turn off the Auxiliary Power ON/OFF switch in normal operation mode such as charge and discharge mode.
If the battery pack is not used for a long time or there is any fault on the battery pack, turn off the Circuit Breaker switch, and then
•
turn off the Auxiliary Power ON/OFF switch.
a) Remove the wiring box cover.
b) Turn off the battery pack by setting the Circuit Breaker switch to the OFF position.
c) Ensure that every indicator on the battery pack is off. It should take 60 seconds at most for the indicators to be off.
d) Turn off the Auxiliary Power ON/OFF switch.
e) Close the wiring box cover.
5

Troubleshooting

1. Common alarms and troubleshooting measures.
Alarm
Alarm Name
ID
2067 Faulty Power Collector
2068 Battery Abnormal
2. Fault Log Export.
Auxiliary Power ON/OFF switch
Possible Cause
Cause ID = 1
The smart power sensor is
disconnected.
The battery is faulty, disconnected,
or the battery circuit breaker is
OFF when the battery is
running.Cause ID = 1–4
1: The battery communication is
abnormal.
2: The battery port experiences
overcurrent.
3. The battery enabling cable is not
properly connected.
4: The battery port voltage is
abnormal.
23
Circuit Breaker switch
Suggestion
1. Check that the configured power meter model
is the same as the actual model.
2. Check that the communications parameters
for the smart power sensors are the same as
the SUN2000 RS485 configurations.
3. Check whether the smart power sensor is
powered on and whether the RS485
communications cable is connected.
1. If the battery fault indicator is steady on or
blinking, contact the battery supplier.
2. Check that the battery
enabling/power/communications cable is
correctly installed, and that the
communications parameters are the same as
the SUN2000 RS485 configurations.
3. Check that the auxiliary power switch on the
battery is set to ON.
4. Send a shutdown command on the app. Turn
off the AC output switch, DC input switch, and
battery switch. Then turn on the battery switch,
AC output switch, and DC input switch in
sequence after 5 minutes.
5. If the fault persists, contact your dealer or
Huawei technical support.
Tap Download to export the
logs of .zip format.