This article explains the meaning of 'FPC0: Vsensor 70:VDD RAIL 12.0V Beyond Margin' error and the steps to overcome it.
'FPC0: Vsensor 70:VDD RAIL 12.0V Beyond Margin'
Error Logs:
user@host> show log chassisd | grep Alarm Feb 1 09:49:04 CHASSISD_SNMP_TRAP3: ENTITY trap generated: entStateOperDisabled (entPhysicalIndex 70, entStateAdmin 3, entStateAlarm 0) Feb 1 09:52:54 {alarm, management-ethernet, 0x3 0x8333880} Feb 1 09:52:54 {chassis, alarm, 0x3 0x8313050} Feb 1 09:52:54 {ecc-sbe, no-alarm, 0x3 0x8342ae0} Feb 1 09:52:54 {aer-correctable, no-alarm, 0x3 0x8342950} Feb 1 09:52:54 {chassis, slow-pfe-alarm, 0x3 0x834c010} Feb 1 09:52:54 {alarm, redundancy, 0x3 0x8341440} Feb 1 09:52:55 chassis_alarm_module_init Feb 1 09:52:55 chassis_alarm_module_init Feb 1 09:52:56 alarmd connection completed Feb 1 09:52:56 send: clear all chassis class alarms Feb 1 09:53:13 [Alarm SET] Object 150 reason 2 Device FRU VOLT SENSOR 70, reason Vsensor 70 Beyond M(FPC0: Vsensor 70:VDD RAIL 12.0V Beyond Margin), color 1, slot 70 Alarm id 2521169922 Feb 1 09:53:13 send: red alarm set, device FRU VOLT SENSOR 70, reason FPC0: Vsensor 70:VDD RAIL 12.0V Beyond Margin Feb 1 10:00:42 CHASSISD_SNMP_TRAP3: ENTITY trap generated: entStateOperEnabled (entPhysicalIndex 70, entStateAdmin 4, entStateAlarm 6) Feb 1 10:01:00 CHASSISD_SNMP_TRAP3: ENTITY trap generated: entStateOperEnabled (entPhysicalIndex 77, entStateAdmin 4, entStateAlarm 0) Feb 1 10:10:01 {alarm, management-ethernet, 0x3 0x8333880} Feb 1 10:10:01 {chassis, alarm, 0x3 0x8313050} Feb 1 10:10:01 {ecc-sbe, no-alarm, 0x3 0x8342ae0} Feb 1 10:10:01 {aer-correctable, no-alarm, 0x3 0x8342950} Feb 1 10:10:01 {chassis, slow-pfe-alarm, 0x3 0x834c010} Feb 1 10:10:01 {alarm, redundancy, 0x3 0x8341440} Feb 1 10:10:01 chassis_alarm_module_init Feb 1 10:10:01 chassis_alarm_module_init Feb 1 10:10:01 CHASSISD_SNMP_TRAP3: ENTITY trap generated: entStateOperEnabled (entPhysicalIndex 70, entStateAdmin 4, entStateAlarm 6) Feb 1 10:10:01 CHASSISD_SNMP_TRAP3: ENTITY trap generated: entStateOperEnabled (entPhysicalIndex 77, entStateAdmin 4, entStateAlarm 0) Feb 1 10:10:02 alarmd connection completed Feb 1 10:10:02 send: clear all chassis class alarms Feb 1 10:10:05 [Alarm SET] Object 150 reason 2 Device FRU VOLT SENSOR 70, reason Vsensor 70 Beyond M(FPC0: Vsensor 70:VDD RAIL 12.0V Beyond Margin), color 1, slot 70 Alarm id 2521169922 Feb 1 10:10:05 send: red alarm set, device FRU VOLT SENSOR 70, reason FPC0: Vsensor 70:VDD RAIL 12.0V Beyond Margin Feb 1 10:11:01 ch_tvp_ng_send_alarm_request: fru_type=2, slot=0, reason=14 Feb 1 10:11:01 send: red alarm set, device FPC 0, reason FPC 0 Fabric Chip Failure Feb 1 10:11:01 ch_tvp_ng_send_alarm_request: fru_type=2, slot=0, reason=14 Feb 1 10:11:01 send: red alarm clear, device FPC 0, reason FPC 0 Fabric Chip Failure
The alarm below is seen:
user@host> show chassis alarms 1 alarms currently active Alarm time Class Description 2019-02-01 09:53:13 PST Major FPC0: Vsensor 70:VDD RAIL 12.0V Beyond Margin 2019-02-01 10:11:01 PST Major FPC0: Fabric Chip Failure
In cases where the alarm is not cleared on time, FPC may go offline due to exceeding voltage conditions.
Verify if correct power supply source has been connected:
user@host> show chassis environment fpc | grep "VDD RAIL" VDD RAIL 12.0V 12054 mV
Verify the environment status:
user@host> show chassis environment Class Item Status Measurement Power Power Supply 0 OK 30 degrees C / 86 degrees F Power Supply 1 OK 30 degrees C / 86 degrees F Power Supply 2 OK 31 degrees C / 87 degrees F Power Supply 3 OK 31 degrees C / 87 degrees F Temp FPC 0 MAIN Exhaust Sensor 1 OK 47 degrees C / 116 degrees F FPC 0 MAIN Exhaust Sensor 2 OK 46 degrees C / 114 degrees F FPC 0 MAIN Intake Sensor 1 OK 32 degrees C / 89 degrees F FPC 0 MAIN Intake Sensor 2 OK 29 degrees C / 84 degrees F FPC 0 MAIN Board Sensor OK 35 degrees C / 95 degrees F FPC 0 MEZZ Exhaust Sensor 1 OK 59 degrees C / 138 degrees F FPC 0 MEZZ Exhaust Sensor 2 OK 55 degrees C / 131 degrees F FPC 0 MEZZ Intake Sensor 1 OK 34 degrees C / 93 degrees F FPC 0 MEZZ Intake Sensor 2 OK 30 degrees C / 86 degrees F FPC 0 MAIN PE0 Temp Sensor OK 49 degrees C / 120 degrees F FPC 0 MAIN PE1 Temp Sensor OK 56 degrees C / 132 degrees F FPC 0 MAIN PE2 Temp Sensor OK 48 degrees C / 118 degrees F FPC 0 MAIN CPU Temp Sensor OK 60 degrees C / 140 degrees F FPC 0 MAIN OCXO Temp Sensor OK 38 degrees C / 100 degrees F FPC 0 MAIN PE3 Temp Sensor OK 55 degrees C / 131 degrees F <snip> FPC 0 MEZZ-PFE9-HMC0-DIE OK 63 degrees C / 145 degrees F FPC 0 MEZZ-PFE9-HMC0-TOP OK 52 degrees C / 125 degrees F FPC 0 MAIN-PFE0-DIODE-0 OK 45 degrees C / 113 degrees F FPC 0 MAIN-PFE0-DIODE-1 OK 46 degrees C / 114 degrees F FPC 0 MAIN-PFE1-DIODE-0 OK 53 degrees C / 127 degrees F FPC 0 MAIN-PFE1-DIODE-1 OK 54 degrees C / 129 degrees F FPC 0 MAIN-PFE2-DIODE-0 OK 45 degrees C / 113 degrees F FPC 0 MAIN-PFE2-DIODE-1 OK 46 degrees C / 114 degrees F FPC 0 MAIN-PFE3-DIODE-0 OK 53 degrees C / 127 degrees F FPC 0 MAIN-PFE3-DIODE-1 OK 54 degrees C / 129 degrees F FPC 0 MAIN-PFE4-DIODE-0 OK 45 degrees C / 113 degrees F FPC 0 MAIN-PFE4-DIODE-1 OK 47 degrees C / 116 degrees F FPC 0 MAIN-PFE5-DIODE-0 OK 54 degrees C / 129 degrees F FPC 0 MAIN-PFE5-DIODE-1 OK 55 degrees C / 131 degrees F FPC 0 MEZZ-PFE6-DIODE-0 OK 47 degrees C / 116 degrees F FPC 0 MEZZ-PFE11-DIODE-0 OK 55 degrees C / 131 degrees F FPC 0 MEZZ-PFE11-DIODE-1 OK 57 degrees C / 134 degrees F Fans Fan Tray 0 OK Spinning at normal speed Fan Tray 1 OK Spinning at normal speed Fan Tray 2 OK Spinning at normal speed
Verify temperature-thresholds:
user@host> show chassis temperature-thresholds Fan speed Yellow alarm Red alarm Fire Shutdown (degrees C) (degrees C) (degrees C) (degrees C) Item Normal High Normal Bad fan Normal Bad fan Normal FPC 0 MAIN Exhaust Sensor 1 49 68 80 75 85 80 95 FPC 0 MAIN Exhaust Sensor 2 49 68 80 75 85 80 95 FPC 0 MAIN Intake Sensor 1 30 54 62 57 66 61 75 FPC 0 MAIN Intake Sensor 2 30 54 62 57 66 61 75 FPC 0 MAIN Board Sensor 25 52 63 58 80 75 85 FPC 0 MEZZ Exhaust Sensor 1 68 81 88 83 91 86 95 FPC 0 MEZZ Exhaust Sensor 2 68 81 88 83 91 86 95 FPC 0 MEZZ Intake Sensor 1 30 54 62 57 66 61 75 FPC 0 MEZZ Intake Sensor 2 30 54 62 57 66 61 75 FPC 0 MAIN PE0 Temp Sensor 67 86 97 97 105 105 120 FPC 0 MAIN PE1 Temp Sensor 67 86 97 97 105 105 120 FPC 0 MAIN PE2 Temp Sensor 67 86 97 97 105 105 120 FPC 0 MAIN CPU Temp Sensor 72 87 96 96 100 100 108 FPC 0 MAIN OCXO Temp Sensor 50 70 81 81 90 90 100 FPC 0 MAIN PE3 Temp Sensor 67 86 97 97 105 105 120 FPC 0 MAIN PE4 Temp Sensor 67 86 97 97 105 105 120 FPC 0 MAIN PE5 Temp Sensor 67 86 97 97 105 105 120 FPC 0 MEZZ PE6 Temp Sensor 67 86 97 97 105 105 120 FPC 0 MEZZ PE7 Temp Sensor 67 86 97 97 105 105 120 FPC 0 MEZZ PE8 Temp Sensor 67 86 97 97 105 105 120 FPC 0 MEZZ PE9 Temp Sensor 67 86 97 97 105 105 120 FPC 0 MEZZ PE10 Temp Sensor 67 86 97 97 105 105 120 FPC 0 MEZZ PE11 Temp Sensor 67 86 97 97 105 105 120 FPC 0 MEZZ PF0 Temp Sensor 82 95 102 102 105 105 120 <snip>
Verify power on chassis:
user@host> show chassis power detail <snip PEM details> System: Zone 0: Capacity: 6400 W (maximum 6400 W) Allocated power: 1224 W (5176 W remaining) Actual usage: 1224 W Total system capacity: 6400 W (maximum 6400 W) Total remaining power: 5176 W
Item Used(W) Fan Tray 0 0 Fan Tray 1 0 Fan Tray 2 0 RE0/CB0 0 SIB 0 0 FPC 0 0
To overcome the alarm, perform a restart of chassis control.
user@host> restart chassis-control Chassis control process started, pid 727