Troubleshooting the TCA6000 or TCA6500 Timing Client Using the Event Log

Use Table 33 to identify which actions to perform when an event is reported in the event log.

Table 33: Troubleshooting the TCA6000 or TCA6500 Timing Client Using the Event Log

Event

Type

Description

Action

SYS_CONFIG_CHANGE

Static

One or more parameters were changed in the Config menu.

Verify changes were as expected.

SYS_AUTHENTICATION

Static

The was a failed Login / Password attempt in the unit.

Verify Login name and Password.

GPS_ANTENNA_SHORT

Transient

Antenna connection is shorted between the Cable Conductor Pin and Shield.

For TCA6500 only, check for a cable short on the center and ground shield.

GPS_ANTENNA_OPEN

Transient

Cable Connection has an open in it.

For TCA6500 only, check for a cable open on the center and ground shield.

GPS_NO_USABLE_SATELLITE

Transient

The antenna is unable to acquire any satellites with sufficient signal levels.

For TCA6500 only:

  1. Assure the antenna has a clear view of the sky is not obstructed. For a roof antenna, find location that provides full 360-degree visibility of the horizon.
  2. Validate that there is no source of high frequency interference near the antenna. Set the height of the antenna to be at least three to six feet (1-2 m) from a reflecting surface.

GPS_LEAP_SECOND_PENDING

Transient

GPS notifies of this event approximately 3 months before event.

For TCA6500 only:

  1. This is a normal GPS operation which if occurs will happen either in June 30 or Dec. 31.
  2. Verify event is cleared July 1 and Jan. 1, if does not clear reset unit.

GPS_RECEIVER_INACTIVE

Transient

Internal communication to the GPS Receiver failed to respond.

For TCA6500 only:

  1. Potentially the CPU has lost communication with GPS Receiver.
  2. Reset unit and if it continues to occur RMA unit.

TIMING_OSC_DAC_RANGE

Transient

The Digital-to-Analog Converter (DAC) which controls the voltage adjustment for the Oscillator frequency has exceeded its range of control voltage.

Verify operational temperature is within specification of the unit.

OVEN_TEMP_DEVIATION_HIGH

Transient

Secondary oscillator Oven Temperature increase was faster than the internal oven control could compensate.

This is status only information as the internal oscillator oven temperature control will eventually compensate for this.

OVEN_TEMP_DEVIATION_LOW

Transient

Secondary oscillator Oven Temperature decrease was faster than the internal oven control could compensate.

This is status only information as the internal oscillator oven temperature control will eventually compensate for this.

SYS_DIAG_FAILURE

Transient

The boot-up System Diagnostics had one or more failures.

  1. Turn power off and than back on.
  2. If unit continues to show failure, the unit is defective and RMA unit for repair or replacement.

PTP_SERVER_UNREACHABLE

Transient

There is no master PTP Grand Master available in the network for the configured domain number.

  1. Check domain number should match with the Grand Master domain number.
  2. Check network for support of multicast packets.
  3. Verify Ethernet connection is functioning properly for unit.

PTP_SERVER_CHANGE

Static

A Best Master selection has occurred and the server was changed.

Verify the "other" master had a abnormal event that caused this event.

LOSS_OF_POWER_FEED

Transient

One of the DC inputs has no voltage connected.

  1. Check cables.
  2. If only one power feed being used disable alarm in Admin > Alarms and configure to “NONE”

FREQ_ACQUIRING

Transient

System tries to adjust the local oscillator based on the input source such as GPS, T1, E1, and PTP. If the adjustments are completed, then the system state is changed from acquiring state to locked state.

This is a positive indication of sync source availability.

FREQ_HOLDOVER

Transient

Local Oscillator is in Holdover state. There is no configured servers sync sources available. Only goes to this state after a sync source has been qualified for a period of time and than is not available.

Check sync source quality which was configured in the sync source table.

FREQ_FREERUN

Transient

Local Oscillator is in Freerun state. The unit has not obtained initial lock sync lock state and is operating on the local oscillator.

  1. Check sync source table is configured for at least one source available. If not locked with a period of time (ex. >2 hours) reboot system.
  2. Verify the PTP verify PTP state is slave.
  3. Verify network connections and activity.
  4. This could be caused by unit not initially being locked for a period long enough to generate a holdover value. Verify the unit has been locked for 8 hours or more.

FREQ_REF_INPUT_CHANGE

Static

The reference input being used as a sync source has changed.

Verify one of the reference input such as GPS, external inputs has changed.

FREQ_INPUT_QUALITY_CHANGE

Static

The timing input quality has changed due to lower or higher quality level of the new sync source.

Verify the quality states changes were as expected.

LINK_DOWN

Static

Ethernet connection is not functional.

Verify Ethernet connection, cables, and so on.

LINK_UP

Static

Ethernet connection is functional.

This is a positive indication of the Ethernet link status. To suppress go to Configure Admin > Alarm > Severity and set to NONE.

TIMEPROBE_DISABLE

Transient

The time probe agent is disabled or accidentally turned off.

Start or enable the time probe agent using the restart timeprobe-agent command.