Troubleshooting - nVent RAYCHEM Elexant 450c Bedienungsanleitung

6. TROUBLESHOOTING

Alarm and error codes :
Error Warning
Code message
SENSOR_1_
E:2.1
OPEN
SENSOR_1_
E:2.2
SHORT
SENSOR_2_
E:2.3
OPEN
SENSOR_2_
E:2.4
SHORT
SENSOR_1_
E:3.1
TEMP_HIGH
SENSOR_2_
E:3.2
TEMP_HIGH
SENSOR_1_
E:4.1
TEMP_LOW
SENSOR_2_
E:4.2
TEMP_LOW
INTERNAL_
E:6.2
ERROR
INTERNAL_
E:6.3
ERROR
INTERNAL_
E:6.4
ERROR
Touch
screen not
responsive /
– Seeing 3
dots, one by
one, on the
screen
Problem causes
Sensor not connected or
broken
Sensor short
Sensor not connected or
broken
Sensor short
Sensor 1 temperature too
high
Sensor 2 temperature too
high
Sensor 1 temperature too
low
Sensor 2 temperature
too low
Internal error
Internal error
Internal error
Pushing in the middle of
the screen for 30 seconds
causes controller to enter
screen calibration mode
(can be started also from
the service menu)
Corrective actions
Connect sensor to Elexant
controller. Check sensor
connections. Verify sensor
resistance value. (see page 76)
Replace sensor if defective.
See E.2.1
See E.2.1
See E.2.1
Check sensor position and actual
temperature
See E.3.1
See E.3.1
See E.3.1
Disconnect Elexant controller
and replace unit. When reporting
this error, provide the exact error
number, cable type, cable length
and the setpoint temperature.
Disconnect Elexant controller
and replace unit. When reporting
this error, provide the exact error
number, cable type, cable length
and the setpoint temperature.
Disconnect Elexant controller
and replace unit. When reporting
this error, provide the exact error
number, cable type, cable length
and the setpoint temperature.
All 3 dots have to be pressed
one by one for calibration before
jumping back to the main screen
nVent.com/RAYCHEM
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