Loma IQ2 Service Manual page 21

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
Watchdog reset
Action Number
1
2
3
4
5
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
Remote link lost
Invalid msg type
Module 6022
Cause
The software has failed to restart
the hardware watchdog timer
circuits. The hardware watchdog
timer circuit has timed out and
reset the microprocessor.
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
Menu" , details of which are later in this manual.
on page 21
Check 5V rail as described in
"Functional Testing" section of this manual.
Perform a hardware cold start as described in
in the "Configuration & Setup" section of this manual.
on page 8
Replace the control board.
Contact your local Group Service Centre for assistance.
Cause
The detector was under the
control of a remote device when
a remote control timeout
occurred.
The detector has received an
unrecognised message.
Fault and Error Diagnosis
Actions
Action sequence: 1, 2, 3, 4 then
5 if the problem has not been
resolved.
Action
"DC Rails" section in the
on page 7
"Hardware Cold Starting"
Actions
1. Check cabling and link
connectors from the remote
device.
2. Check the controlling device
for reported errors.
1. Check the controlling device
for reported errors.
"Loma
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