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9.3 Error Messages
Overview
Sometimes errors occur while you are programming or loading a configuration into your instrument. In
most cases the instrument displays a descriptive error message. For example, if you try to program a
function block incorrectly, the instrument tells you the problem.
Table 9-4 lists these error messages along with a description of each one and what action to take.
Error
Alarm/Event/Diagnostic burst
and transitions lost
Block Phase Greater Than Block
Period
Channel Does Not Exist
Circuit Limits Equal
Condition Type Out of Range
Desired F0 Value Not
Programmed or Less Than Zero
High Limit Outside of circuit
High Output Limit Greater than
20
Hysteresis Less Than Zero
Impulse Time less than or Equal
to 0
Incompatible Curve Type
Table 9-4 Error Messages
Description
The instrument had an
Alarm/Event/Diagnostic burst in the controller
and some transitions were lost.
In Periodic Timer CV, the phase (start time)
is greater than the period. For example, the
start time is 8:00 and the period is 4:00.
A channel was loaded that does not exist.
For example, you loaded a dual loop
configuration into a single loop instrument.
Indirect circuit low/circuit high limits must be
unequal.
Condition Type (Compare, Logic, Free form
Logic) is out of range. Probably caused by
someone incorrectly editing the configuration
file or by a corrupt .LNC file.
In the F
Sterilization CV, desired F
0
programmed or is less than zero.
AI circuit high limit is > voltage limit of 5200
mV.
A current output (CAT) high output limit
cannot be greater than 20
Alarm Hysteresis parameter should be
greater than or equal to zero.
Impulse time on a time
proportioning/duration adjusting output (DAT)
cannot be less than or equal to zero.
AI is custom type, thermocouple class,
reference junction enabled but Y values are
not always increasing or not always
decreasing.
Video Recorder – User Manual
Diagnostic and error messages
User Action
Inspect the Alarm Summary/History
and the Discrete Summary Screen to
resolve any missing or unresolved
alarms vs their current states. If the
state transition that was missing was
an off state it will be matched and
processed upon the next on-off
transition of the corresponding alarm.
Change Period to greater than phase
(Start Time) or change Start Time to
less than Period.
Verify programming of affected
function block.
Change to unequal limits.
Verify programming of affected
function block.
is not
Change F
value to greater than zero.
0
0
Change limit to within specified limits
for that type.
Decrease high limit.
Increase Hysteresis.
Increase impulse time.
Reprogram curve so that for all n: Y
> Y
or Y
< Y
n+1
n
n
n+1
255
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