View Error Diagnostics Messages - GE Masoneilan 12420 Instruction Manual & Safety Manual

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.
Message on
LCD / ValVue
(English)
RESET Reset occurred due to command or power
up
Always present after power up
SENSOR OUT Sensor output was disconnected
SENSOR OUT OF Level sensor is outside its normal
NORMAL RANGE operating range (+/- 2.8 degree angle)
SENSOR OUT OF Level sensor was outside its operating
RANGE range, defined after the sensor
linearization process
SENSOR ERROR Compensated level sensor read was
outside worst-case limits of sensor output
LOW LEVEL Level was below the configured threshold
ALARM 1
for more than configured time
LOW LEVEL Level was below the configured threshold
ALARM 2
for more than configured time
HIGH LEVEL Level was above the configured threshold
ALARM 1 for more than configured time
HIGH LEVEL Level was above the configured threshold
ALARM 2 for more than configured time
KEYBOARD Pushbuttons or LCD do not operate
FAILED properly
FACTORY MODE Factory mode faults
TEMPERATURE Temperature of main circuit board
MODULE OUT OF exceeded normal operating temperature
RANGE range
TEMPERATURE Temperature of sensor circuit board
SENSOR OUT OF
exceeded normal operating temperature
RANGE
range
TEMPERATURE
Failure to read temperature sensor of
MODULE READ
main circuit board (module)
TEMPERATURE
Failure to read temperature sensor of
SENSOR READ
sensor circuit board
® 2014 General Electric Company. All rights reserved.
Table - Error and Warning Messages
Description Probable Cause
Device reboot. The power recovered.
Sensor wiring disconnected or damaged
Wrong calibration or sensor failure
Wrong calibration or sensor failure
Sensor and related components have
failed
Low level measure for more than the
configured time
Low level measure for more than the
configured time
High level measure for more than the
configured time
High level measure for more than the
configured time
The local pushbuttons and display is
defective
The device was in factory mode
Environment.
Temperature of main circuit board was
higher than +85 °C (+185 °F) or lower than
-40 °C (-40 °F)
Environment.
Temperature of sensor circuit board was
higher than +85 °C (+185 °F) or lower than
-40 °C (-40 °F)
Environment
Environment
Masoneilan 12400 Series Transmitter/Controller Instruction Manual | 55
Recommended Action
Standard Warning.
Check power supply is operating
correctly and is above 10 VDC.
Check sensor wiring
Check calibration
Check calibration
Replace the instrument
Check you complete level loop
Check you complete level loop
Check you complete level loop
Check you complete level loop
Replace the pushbuttons and display
assembly
Take any action to ensure
temperature does not exceed
normal temperature range.
Return the unit if it fails
Take any action to ensure
temperature does not exceed
normal temperature range.
Return the unit if it fails
Replace the instrument
Replace the instrument