23
24
5.2 Power off Battery system
Fig 5.2
Ø
Turn the DC breaker of the BDC 95045-A1
(High voltage controller) to "Off" to turn off
the entire
.
Maintenance Guide
6
6.1 Preparation
Before maintenance, please make sure that the battery system is powered off and the DC
circuit breaker is off.
6.2 Battery pack or High voltage controller replacement
Ø
Wear safety gloves.
Ø
Open the breaker and power off the battery system.
Ø
Disconnect power lines and communication lines of the battery system.
Ø
Wall-mounting battery system: Uninstall the safety screws on both sides of the battery
pack or High voltage controller. Lift up the battery pack or High voltage controller.
Ø
Floor-standing battery system: Uninstall the safety screws on both sides of the battery
pack or High voltage controller. Lift up the battery pack or High voltage controller.
Ø
Put the battery pack or High voltage controller into the packing box according to the
repair procedure and transport the battery pack or High voltage controller to the
designated repair site.
Ø
Install new battery pack or High voltage controller based on procedure specified in
Section 4.
6.3 System Failure Information List and Troubleshooting
Suggestions
Error
Indication Error
description
Error cause
Suggested actions
ALM
(
ALM
Light
Flickers
)
Discharge under
voltage
protection
Single cell voltage
below the threshold
for under-voltage
protection.
There is over discharge risk. User
should stop discharging and
arrange recharge.
Charge over
voltage
protection
Single cell voltage
exceeding threshold
for protection
threshold.
1. There is no safety threat;
2. User should stop charging.
Wait for the battery system to
automatically resolve the fault.
External RS485
Communication
failure
Communication loss
between hybrid
inverter and battery
system.
1. There is no safety threat and
user should stop using battery.
2. Check if hybrid inverter and
battery communication terminal
is well connected.
3. If hybrid inverter and PACK
cannot communicate when the
communication wire is confirmed
well connected, user should
contact installer to repair battery.