Endress+Hauser multi N/C 2300 Operating Manual page 98

Troubleshooting
98
Error
Cause
¡ Uneven dosing.
Carry-over as the sample is dosed onto
¡
the reactor wall.
Error
Cause
¡ Power supply or electronics fault.
Device fuse faulty.
¡
Error
Cause
¡ The internal program has not been
started.
Error
Cause
¡ Device in standby with standby tempera-
ture = room temperature
Faulty thermocouple (furnace). The
¡
"Broken Thermocouple" lamp is lit on the
LED strip.
Faulty electronics component.
¡
¡ The combustion furnace is not con-
nected correctly.
multi N/C 2300 (duo), multi N/C 2300 N
Manual dosing in TIC lock with septum
faulty
Remedy
¡ Ensure even injection.
¡ Do not inject too rapidly. Decrease the
injection speed as the sample volume in-
creases.
Dose the sample vertically into the reac-
¡
tor.
5 V, 24 V indicator lamps on LED strip not
lighting
Remedy
¡ Check the electrical connections.
¡ Check the laboratory power supply.
Inform the service.
¡
Status LED on the analyzer not lighting
Remedy
¡ Switch the analyzer off and on again.
Heating monitoring lamp on LED strip not
lighting
Remedy
¡ Initializing the device
Inform the service.
¡
Inform the service.
¡
¡ Check the connection of the combustion
furnace.