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FAS2650, FAS8200, AFF A200, AFF A300 and AFF A800 systems report an occasional EMS message 'nvmem.battery.wrongCharge' for several seconds and recovers

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Applies to

  • FAS2650 / FAS2620
  • FAS2720 / FAS2750
  • AFF A300 / FAS8200
  • AFF A200
  • AFF A220
  • AFF C190
  • AFF A800

Issue

  • After the EMS message nvmem.battery.wrongCharge is triggered, the battery recovers after several seconds.

cluster::> event log show -severity * -event *battery*

[hostname: env_mgr: nvmem.battery.wrongCharge:alert]: The NVMEM battery charger is charging the battery even though the battery is not requesting to be charged. To prevent data loss, the system will shut down in 24 hours.
[hostname: env_mgr: nvmem.battery.normalCharge:notice]: The NVMEM battery charging status is normal.

  • system node environment sensors show reports battery charge is normal.

Bat Present                             PRESENT
Bat Temp                 normal            29 C         0 C         5 C        60 C        75 C
Bat Volt                 normal          8100 mV     5500 mV     5600 mV     8500 mV     8600 mV
Bat Pct Capacity         normal            96 %        39 %        44 %        --          --
Bat Curr                 normal             0 mA       --          --        1200 mA     1520 mA
Bat Rem Cap              normal          1536 mA*hr    --          --          --          --
Bat Full Cap             normal          1536 mA*hr    --          --          --          --
Bat Charge Curr          normal             0 mA       --          --        2200 mA     2300 mA
Bat Charging State                        IDLE
Bat Charge Volt          normal          8200 mV       --          --        8900 mV     9000 mV
Bat Initial FCC          normal          1600 mA*hr    --          --          --          --
Bat Dstg Cycles          normal            26 cycles    2 cycles    5 cycles   --          --
Bat Power Fault                           GOOD
Bat Dcharge FET                             ON
Bat Charge FET                              ON
Bat Cycle Count          normal            15 cycles   --          --          --          --
Bat Learning Active                        OFF
Bat Pack Invalid                            OK

 

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