36
Appendix E: Alarms and troubleshooting
Use the Evolion Toolbox software to diagnose active alarms. See Evolion Toolbox Software Technical Manual for more details.
n°
Fault code is active (major alarm) with open electronic switch (mosfet); Evolion operates in safe mode.
n°
Warning alarm is active with closed electronic switch; Evolion operates in normal mode.
Generic
n°
Buffer
n°
Description
Fault condition
Possible cause and notes
Recommended action guide
1
1
Emergency Alarm
(redundant hardware)
Emergency
redundant hardware
channel is active
during 3 s
Cell voltage > 4.244 V
± 61 mV
Cell voltage < 1.691 V
± 48 mV
Temp. > 84.5 °C ±
1.9 °C
• Redundant safety feature
independent of microprocessor
indicating software may be
faulty
• Too long period of rest after
complete discharge (42 V
cutoff)and before start charge
• Too much frequent cycling
causing module temperature
to stabilize too high
• Too high ambient temperature
• Cell may be imbalanced or
balancing circuit may not be
working
• Too high cell self-discharge in
other cells
1. Correct fault condition.
2. Disconnect and remove
Evolion from operation.
3. Push front face reset button
or send a reset micro
command (ON/OFF button can
also reset the micro).
4. Continue operation without
fault.
5. If fault persists, contact your
local Saft representative.
2
2
Battery Mosfets
activation on short
circuit
Battery current >
53 A during 2 s
• Redundant safety feature in
microprocessor
• Refer to alarm 23 and 24 and
29
1. Disconnect Evolion.
2. Correct fault condition.
3. Check replaceable fuse
(replace if necessary).
4. OFF then ON charger output
or OFF then ON Evolion (if
module is offline).
5. Connect and continue
operation without fault.
6. If fault persists, contact your
local Saft representative.
Fault codes are
indicated here
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