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8.4 Alarm and Warning Messages
Section 8: Service
Description Alarm Abort Condition Lo Limit Hi Limit Alarm Message (HMI) Comments
Heater Tube Tempera-
ture Fail To Rise
x
5 ºC in 10
sec af-
ter press
achieved
Heater Tube Failed to
Rise 5 C in 10 s
Checked at beginning of test
after pressure achieved.
Possible Cause: Thermocouple
not installed properly, Thermo-
couple not in heater tube.
Heater Tube Failed to
Reach Temperature
x
300 sec
after press
achieved
< SP - 2 ºC > SP + 2 ºC
Heater Tube Failed to
Reach Temp
Checked at beginning of test
after pressure achieved. Tem-
perature must be within range
within allotted time, otherwise test
aborts. Possible Cause: Ther-
mocouple not installed properly,
heater failure.
Failure to Reach Pres-
sure
x
3 min after
test start
3.1 Mpa
Fail to Reach System
Pressure in 3 min
Checked at beginning of Test.
Possible Cause: filter paper,
pressure leak.
Sample Fuel Tempera-
ture Out of Range
x
Aeration
active
< 15 ºC > 32 ºC
Sample Fuel Temp Out
of Range
Checked during aeration. Tem-
perature must be 'outside' of
limits for 1 sec.
Possible Cause: Thermocouple
not installed properly, Thermo-
couple failure, fuel not at room
temperature.
Operator Abort x Operator Initiated Abort
Initiated from touchscreen to stop
any running devices or active
test.
Possible Cause: Operator hit
abort button on display.
Pump Communication
Failure
x
Pump Serial Comm
Failure
Pump communication failure
between controller and pump.
Possible Cause: Network cable
disconnected, Network HUB
failure, HPLC pump powered off,
HPLC pump failure.
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