5.2 Power off
Press the power button to turn off the PACK and five LED lights will flicker for three
times. If under the situation of multiple packs in parallel, only turning off one of the
packs then the whole battery system will turn off.
Power on the PACK by PCS
1
Connect the battery and PCS
Make sure the wiring harnesses are well
connected
2
Close the breaker of the PACK
Make sure the breaker is ON
3
Power on the PCS. PCS outputs
a wake up signal of 5V or an
output main circuit voltage
signal of 46-58V
1. If both RUN/ALM and SOC lights turn on
normal, PACK powers on successfully.
2. If RUN/ALM light turns red, there is a failure
and should solve it before power on again.
Maintenance Guide 6
6.1 Preparation
6.2 PACK Replacement
§
Wear safety gloves.
§
Open the breaker and power off the PACK.
§
Remove your safety screw under the power supply, and disconnect the power cord and
CAN communication line of the PACK.
§
Remove the safety part at the left end of the battery and lift the PACK upward.
§
Put the PACK into the packing box according to the repair procedure and transport the
PACK to the designated repair site.
§
Install new PACK 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.Idle
PACK and it will turn to normal
status.
External CAN
Communication
failure
Communication loss
between
PCS and PACK.
1. There is no safety threat and
user should stop using battery.
2. Check if PCS and battery
communication terminal is well
connected.
3. If PCS and PACK cannot
communicate when the
communication wire is confirmed
well connected, user should
contact installer to repair battery.
17
18
Ø
Tools like safety gloves, cross head driver and socket wrench should be prepared.
Ø
Turn off and turn on new PACK.
1. If the PACK is power-off. Press power button for 3-5 seconds to turn on.
2. If the PACK is power-on. Press power button once to turn off.
Before maintaining the battery, turn off the breaker and press power button once to
make sure the PACK is power-off. Follow the installation and wire connection procedures
specified above. Ensure wires are properly connected before turn the breaker on. After
that, turn on the breaker and press power button of any PACK for 3-5 seconds to check if
the system normal works.
3.When installing or maintaining, it is recommended that the battery SOC be at
35%
～
45% percent.
