Nautel NX15, Troubleshooting Manual

Page: 16 / 274

NX25/NX15 Troubleshooting Manual Responding to alarms
Page 1-8 Issue 5.0 2016-05-06
Controller: EEPROM
Failure: Config This alarm occurs when the transmitter is unable to read the
following settings from EEPROM upon boot-up. The transmitter
will revert to its initial default settings, which may be different from
the values set before the transmitter was shipped. The alarm will
remain asserted until at least one of the settings are changed.
Affected settings are:
– Main Exciter (Defaults to A)
– Standby Exciter Installed (Defaults to Yes)
– Exciter Sync (Defaults to None)
– Active Max Power Lockout (Defaults to 1)
– RF Monitor Select (Defaults to forward power)
– Host Watchdog Enable (Defaults to OFF, should be turned
ON)
– Network Configuration
Configure the affected settings as desired. Cycle (turn off, then
on) ac power to the transmitter. If the alarm persists, replace the
battery on the control/interface PWB and retry the above steps. If
the alarm persists, replace the control/interface PWB
(see
“Control/interface PWB replacement” on page 1-60 ).
Controller: EEPROM
Failure: Thresholds This alarm occurs when the transmitter is unable to read its
configuration for transmitter type and rack interface serial
numbers from EEPROM upon boot-up. The transmitter will revert
to its initial default settings, which may be different from the values
set before the transmitter was shipped. The alarm will remain
asserted until the setting is changed. Change the transmitter type
to the correct setting.Remove and re-apply the ac power to the
transmitter. If the alarm persists, replace the battery on the
control/interface PWB and retry the above steps. If the alarm
persists, replace the control/interface PWB (see
“Control/interface
PWB replacement” on page 1-60 ).
Alarm (with Prefix) Description and Troubleshooting Action