GE Masoneilan 12420 - 10.7. View Error Diagnostics Messages

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10.7. VIEW ERROR DIAGNOSTICS MESSAGES
Diagnostic messages are viewed with VIEW ERROR from the SETUP Mode Menu or from NORMAL Mode Menu. The VIEW
ERROR menu item allows you to read the current status information.
To clear the error messages, press * at CLR ERR on either the SETUP or NORMAL mode menus.
Exiting from the VIEW ERR menu returns to the previous menu.
Table - Error and Warning Messages
Message on
LCD / ValVue
(English)
Description Probable Cause Recommended Action
RESET
Reset occurred due to command or power
up
Always present after power up
Device reboot. The power recovered. Standard Warning.
Check power supply is operating
correctly and is above 10 VDC.
SENSOR OUT
Sensor output was disconnected
Sensor wiring disconnected or damaged
Check sensor wiring
SENSOR OUT OF
NORMAL RANGE
Level sensor is outside its normal
operating range (+/- 2.8 degree angle)
Wrong calibration or sensor failure Check calibration
SENSOR OUT OF
RANGE
Level sensor was outside its operating
range, defined after the sensor
linearization process
Wrong calibration or sensor failure Check calibration
SENSOR ERROR
Compensated level sensor read was
outside worst-case limits of sensor output
Sensor and related components have
failed
Replace the instrument
LOW LEVEL
ALARM 1
Level was below the configured threshold
for more than configured time
Low level measure for more than the
configured time
Check you complete level loop
LOW LEVEL
ALARM 2
Level was below the configured threshold
for more than configured time
Low level measure for more than the
configured time
Check you complete level loop
HIGH LEVEL
ALARM 1
Level was above the configured threshold
for more than configured time
High level measure for more than the
configured time
Check you complete level loop
HIGH LEVEL
ALARM 2
Level was above the configured threshold
for more than configured time
High level measure for more than the
configured time
Check you complete level loop
KEYBOARD
FAILED
Pushbuttons or LCD do not operate
properly
The local pushbuttons and display is
defective
Replace the pushbuttons and display
assembly
FACTORY MODE
Factory mode faults
The device was in factory mode
TEMPERATURE
MODULE OUT OF
RANGE
Temperature of main circuit board
exceeded normal operating temperature
range
Environment.
Temperature of main circuit board was
higher than +85 °C (+185 °F) or lower than
-40 °C (-40 °F)
Take any action to ensure
temperature does not exceed
normal temperature range.
Return the unit if it fails
TEMPERATURE
SENSOR OUT OF
RANGE
Temperature of sensor circuit board
exceeded normal operating temperature
range
Environment.
Temperature of sensor circuit board was
higher than +85 °C (+185 °F) or lower than
-40 °C (-40 °F)
Take any action to ensure
temperature does not exceed
normal temperature range.
Return the unit if it fails
TEMPERATURE
MODULE READ
Failure to read temperature sensor of
main circuit board (module)
Environment Replace the instrument
TEMPERATURE
SENSOR READ
Failure to read temperature sensor of
sensor circuit board
Environment Replace the instrument