Fault and Error Diagnosis
Module 6022
4-6
Diagnostic errors
Are classified as fatal and only occur in the unlikely event of an internal failure of the
control board. Take immediate action. If your detector is fitted with the Reports/Logs
package the faults can be accessed in the Loma menu "Diagnostics" "View
diagnostics?". The date & time accompany errors.
The errors generated can be useful to Loma Service Engineer in the event of an
intermittent problem. Do not erase the Log.
Message
Cause
Actions
Watchdog reset
The software has failed to restart
the hardware watchdog timer
circuits. The hardware watchdog
timer circuit has timed out and
reset the microprocessor.
Action sequence: 1, 2, 3, 4 then
5 if the problem has not been
resolved.
Action Number
Action
1
If the error reoccurs and your detector is connected to a printer or PC,
download the Diagnostic error log. If not then carefully record the log
details associated with the error. The log can be found under
on page 21
, details of which are later in this manual.
2
Check 5V rail as described in
on page 7
section in the
“Functional Testing” section of this manual.
3
Perform a hardware cold start as described in
on page 8
in the “Configuration & Setup” section of this manual.
4
Replace the control board.
5
Contact your local Group Service Centre for assistance.
LomaLink
LomaLink is a two-way communications protocol that allows some remote control of the
detector functions. If your detector is using LomaLink the following Diagnostic error
messages may occur. Reference should be made to the LomaLink manual part number
811153 for further information.
Message
Cause
Actions
Remote link lost
The detector was under the
control of a remote device when
a remote control timeout
occurred.
1. Check cabling and link
connectors from the remote
device.
2. Check the controlling device
for reported errors.
Invalid msg type
The detector has received an
unrecognised message.
1. Check the controlling device
for reported errors.
Содержание IQ2
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