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10. Troubleshooting
During tests an error can occur. See the tables below for explanation of the error messages and
codes.
Message
Possible causes and solution
Battery temperature high
The battery tested has a problem or thermal overrun. Probably
defect battery
More than 150% charged
The battery capacity entered is not correct or the battery has a
problem
Internal charger error
See table below for charger error codes
Internal load error
See table below for load error codes
Charger error code Description
Possible causes and solution(s)
01
Current offset high
Charger is defect. Contact your supplier.
02
Control loop error
Charger is defect. Contact your supplier.
03
Gate check fail
Charger is defect. Contact your supplier.
04
Temperature low
You are at Antarctica or charger is defect.
Contact your supplier.
05
Temperature high
Insufficient cooling. Leave more space around the
BTS
Other codes
Contact your supplier
Load error code
Description
Possible causes and solution(s)
01
FAN blocked
Check if the fans at the backside are not
blocked from outside.
02
FAN blocked
Check if the fans at the backside are not
blocked from outside.
04
Heatsink temperature high Insufficient cooling. Leave more space around
the BTS
08
Power limited
Battery capacity too high for 24V battery
10
Power limited
Battery capacity too high for 24V battery
20
Watchdog
Hardware problem. Contact your supplier.
40
Communication timeout
Hardware problem. Contact your supplier.
80
NTC not connected
Hardware problem. Contact your supplier.
100
NTC not connected
Hardware problem. Contact your supplier.
200
Output voltage low
During the external charger test, the output
was overloaded. Switch the BTS off/on and test
another charger.
400
Stop signal active
Hardware problem. Contact your supplier.
800
GUI not running
Hardware problem. Contact your supplier.
