User's Manual

Wideband Radio Head Troubleshooting
044-05251 Rev A 4-3
9 Inst. unit
lost
Error Compared to the last power on, the CU lacks at least
one hardware unit.
10 EEPROM
error
CU Error EEP read or write fail. Data cannot be written or read
from the EEPROM on the CU PCBA. User parame-
ters are stored in the EEPROM.
11 Log mem-
ory fault
Error Log memory fault. Indicates that the log memory on
the CU PCBA is faulty. The WRH will not work. Not
available in all CU software versions.
12 High temp CU Warning The CU PCBA temperature is higher than 90°C.
Ceasing The CU PCBA temperature has fallen below 90°C.
13 REFO
error
Error Significant REFO drift or error detected by CU.
14 Ext refo
error
Warning Suggested remedy: Check the reference source and
the cables.
15 CU bat-
tery fault
CU Warning CU RAM battery fault. The battery for the RAM on the
CU PCBA has a voltage outside the normal 2.7 to 3.5
Volt. An alarm may be initiated at start-up if the WRH
has been stored out of power for a long time. Sug-
gested remedy: Ensure jumper P3 on the CU PCBA
is mounted to charge the battery.
Ceasing The cause of the alarm has ceased.
16 SW load
error
CU Error Software load error. An error has occurred during a
software load process. The flash memory does not
contain a proper software. Suggested remedy: Check
the CU software using the OM-Online SW Manager.
Do NOT restart the WRH.
17 Log
cleared
CU None Log memory has been cleared. The check sum in the
Events Log memory is faulty. The log is cleared. Can
be caused of a bad RAM battery backup or low volt-
age to the RAM.
18 RTC
restarted
CU None The time is changed by the operator (logged to keep
track of changes made to the RTC).
Warning Time reset to 1994-01-01. The RTC was unable to
keep track of the time and did a reset. Suggested
remedy: Ensure jumper P3 on the CU PCBA is
mounted to charge the battery.
19 RTC error Error RTC does not operate. The CU has detected an error
in the RTC operation which makes the time unreli-
able. Suggested remedy: Replace the CU PCBA.
20 Door open
alarm
External Config The door has been open 30 seconds without dis-
abling the alarm.
Ceasing The door has been closed 30 seconds, or the alarm is
disabled.
21 External
alarm 1
External Config External alarm input EA1 active more than 1 second.
Ceasing External alarm input EA1 no longer active.