Growatt ARK 2.5H-A1 User Manual

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 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.
 Install new battery pack or high voltage controller based on procedure specified in Section 4.
Notice
 Before replacing the battery, use the charger to charge the new battery and the existing battery to full (SOC 100%).
 If the battery is not used, it is recommended to charge and discharge the battery every 3 months to activate the chemical
characteristics, and the maximum interval shall not exceed 6 months.
6.3 System fault information and 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 CAN
Communication failure
Communication loss
between PCS and battery
system.
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 battery system cannot communicate
when the communication wire is confirmed well
connected, user should contact installer to repair
battery.
Interior Communication
failure
Communication loss
between two packs
1) Check whether the communication line between the
battery pack and the battery pack is connected OK;
2) Check whether the communication line between the
high voltage controller and the battery pack is
connected OK.
High temperature
protection
The temperature exceeds
the protection value
It is dangerous, please stop using the battery
immediately, wait for the battery temperature to drop,
the fault will be automatically resolved
Low temperature
protection
The temperature is below
the protection value
No safety risk, wait for the temperature to rise, the
fault will be automatically resolved
(ALM Light on)
Discharge short circuit
External short circuit of
battery system
There is safety risk and user should stop using battery.
User should contact installer to repair PCS and battery.
Precharge short circuit
Precharge overtime
Voltage sampling
anomaly protection
BMS Voltage sampling
failure
There is safety risk and user should stop using battery.
User should contact installer to repair battery.
Current sampling fault
BMS current sampling
failure
Main circuit fault BMS main power circuit There is safety risk and user should stop using battery.

Growatt ARK 2.5H-A1 Specifications

General

Brand	Growatt
Model	ARK 2.5H-A1
Category	Battery Pack
Language	English