[Nut-upsuser] persistent "low battery" condition
Graham Menhennitt
graham at menhennitt.com.au
Fri Jan 9 04:43:33 UTC 2015
Hello Nutters,
I'm running nut 2.7.2 on FreeBSD 10-stable (via the FreeBSD port) with
an APC Back-UPS CS 350 connected via USB. I get persistent (every few
minutes) messages logged "battery is low" but I don't understand why. I
don't think it's for the reason described in the FAQ (but I'm not 100%
sure).
In the trace output I can see that UPS.PowerSummary.RunTimeToEmpty is
usually around 150 - 170 seconds. Occasionally it drops to 105. I don't
see any reason why the load would be changing significantly. In any
case, I've set the threshold to 90 seconds in ups.conf.
See below for debug info.
If somebody could offer suggestions on how to fix it, I'd be very grateful.
Thanks in advance,
Graham
ups.conf:
[maxwell]
driver = usbhid-ups
port = auto
override.battery.runtime.low = 90
uspc output:
battery.charge: 100
battery.charge.low: 10
battery.charge.warning: 50
battery.date: 2005/04/07
battery.mfr.date: 2005/04/07
battery.runtime: 165
battery.runtime.low: 90
battery.temperature: 29.2
battery.type: PbAc
battery.voltage: 13.5
battery.voltage.nominal: 12.0
device.mfr: American Power Conversion
device.model: Back-UPS CS 350
device.serial: BB0515022057
device.type: ups
driver.name: usbhid-ups
driver.parameter.pollfreq: 30
driver.parameter.pollinterval: 2
driver.parameter.port: auto
driver.version: 2.7.2
driver.version.data: APC HID 0.95
driver.version.internal: 0.38
input.sensitivity: medium
input.transfer.high: 266
input.transfer.low: 180
input.voltage: 250.0
input.voltage.nominal: 230
output.frequency: 49.0
output.voltage: 230.0
output.voltage.nominal: 230.0
ups.beeper.status: enabled
ups.delay.shutdown: 20
ups.delay.start: 30
ups.firmware: 807.q5.I
ups.firmware.aux: q5
ups.load: 71.0
ups.mfr: American Power Conversion
ups.mfr.date: 2005/04/07
ups.model: Back-UPS CS 350
ups.productid: 0002
ups.realpower.nominal: 210
ups.serial: BB0515022057
ups.status: OL
ups.test.result: No test initiated
ups.timer.reboot: 0
ups.timer.shutdown: -1
ups.timer.start: 0
ups.vendorid: 051d
tail of /var/log/ups.log:
20150109 134451 100 248.0 53.0 [OL] NA NA
20150109 134951 100 248.0 47.0 [OL] NA NA
20150109 135451 100 248.0 54.0 [OL] NA NA
20150109 135951 100 248.0 50.0 [OL] NA NA
20150109 140451 100 248.0 73.0 [OL] NA NA
20150109 140951 100 248.0 77.0 [OL LB] NA NA
20150109 141451 100 248.0 72.0 [OL] NA NA
20150109 141951 100 248.0 72.0 [OL] NA NA
20150109 142451 100 250.0 73.0 [OL] NA NA
20150109 142951 100 250.0 68.0 [OL] NA NA
20150109 143451 100 250.0 67.0 [OL] NA NA
20150109 143951 100 250.0 68.0 [OL] NA NA
20150109 144451 100 250.0 65.0 [OL] NA NA
20150109 144951 100 248.0 70.0 [OL] NA NA
20150109 145451 100 250.0 72.0 [OL] NA NA
20150109 145951 100 248.0 71.0 [OL] NA NA
20150109 150451 100 250.0 66.0 [OL] NA NA
20150109 150951 100 250.0 72.0 [OL] NA NA
20150109 151451 100 250.0 66.0 [OL] NA NA
20150109 151951 100 250.0 73.0 [OL] NA NA
output of /usr/local/libexec/nut/usbhid-ups -a maxell -DD at a time when
low battery is reported:
161.408239 refresh_report_buffer: expected 5 bytes, but got 3
instead
161.408313 Path: UPS.Input.Voltage, Type: Feature, ReportID:
0x20, Offset: 0, Size: 32, Value: 250
161.419115 Path: UPS.Input.ConfigVoltage, Type: Feature,
ReportID: 0x46, Offset: 0, Size: 8, Value: 230
161.428351 Path: UPS.Output.Voltage, Type: Feature, ReportID:
0x2b, Offset: 0, Size: 16, Value: 230
161.439089 refresh_report_buffer: expected 3 bytes, but got 2
instead
161.439167 Path: UPS.Output.ConfigVoltage, Type: Feature,
ReportID: 0x2d, Offset: 0, Size: 16, Value: 230
161.448260 Path: UPS.Output.Frequency, Type: Feature, ReportID:
0x2a, Offset: 0, Size: 16, Value: 50
163.098638 upsdrv_updateinfo...
163.183571 Got 1 HID objects...
163.183657 Path: UPS.PowerSummary.RunTimeToEmpty, Type: Input,
ReportID: 0x0d, Offset: 0, Size: 16, Value: 105
163.183686 Quick update...
163.190347 Path: UPS.PowerSummary.DelayBeforeShutdown, Type:
Feature, ReportID: 0x12, Offset: 0, Size: 16, Value: -1
163.201247 Path: UPS.PowerSummary.DelayBeforeReboot, Type:
Feature, ReportID: 0x13, Offset: 0, Size: 24, Value: 0
163.210345 Path: UPS.Output.DelayBeforeStartup, Type: Feature,
ReportID: 0x28, Offset: 0, Size: 16, Value: 0
163.221472 Path: UPS.PowerSummary.PresentStatus.ACPresent,
Type: Feature, ReportID: 0x07, Offset: 2, Size: 1, Value: 1
163.221585 Path: UPS.PowerSummary.PresentStatus.Discharging,
Type: Feature, ReportID: 0x07, Offset: 1, Size: 1, Value: 0
163.221614 Path: UPS.PowerSummary.PresentStatus.Charging, Type:
Feature, ReportID: 0x07, Offset: 0, Size: 1, Value: 0
163.221643 Path:
UPS.PowerSummary.PresentStatus.BelowRemainingCapacityLimit, Type:
Feature, ReportID: 0x07, Offset: 4, Size: 1, Value: 0
165.108555 upsdrv_updateinfo...
165.231693 Got 1 HID objects...
165.231811 Path: UPS.PowerSummary.RunTimeToEmpty, Type: Input,
ReportID: 0x0d, Offset: 0, Size: 16, Value: 142
165.231841 Quick update...
165.238711 Path: UPS.PowerSummary.DelayBeforeShutdown, Type:
Feature, ReportID: 0x12, Offset: 0, Size: 16, Value: -1
165.247693 Path: UPS.PowerSummary.DelayBeforeReboot, Type:
Feature, ReportID: 0x13, Offset: 0, Size: 24, Value: 0
165.258711 Path: UPS.Output.DelayBeforeStartup, Type: Feature,
ReportID: 0x28, Offset: 0, Size: 16, Value: 0
165.267595 Path: UPS.PowerSummary.PresentStatus.ACPresent,
Type: Feature, ReportID: 0x07, Offset: 2, Size: 1, Value: 1
165.267702 Path: UPS.PowerSummary.PresentStatus.Discharging,
Type: Feature, ReportID: 0x07, Offset: 1, Size: 1, Value: 0
165.267731 Path: UPS.PowerSummary.PresentStatus.Charging, Type:
Feature, ReportID: 0x07, Offset: 0, Size: 1, Value: 0
165.267760 Path:
UPS.PowerSummary.PresentStatus.BelowRemainingCapacityLimit, Type:
Feature, ReportID: 0x07, Offset: 4, Size: 1, Value: 0
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