34 Endress+Hauser
en - Errorcode
en - Trouble-shooting
Factory reset!
Keep both keys (+ and –) pressed for
15 s - red LED flashing!
The full and empty calibration is reset
to the delivery status.
Note!
If the probe length is < 200 mm, no decimal point position is shown on the
display.
Code Reason Alarm /
warning
Influence on
current input
Priority
E559 Please contact Endress+Hauser. A 22 mA 1
A120 Please contact Endress+Hauser. W – 5
Check measuring system
E203 The capacitance measured is too low A 22 mA 2
E777 Incorrect probe connected A 22 mA 3
E204 The capacitance measured is too high A 22 mA 4
A617
Δ
C too small during calibration W 6
A620 The current is outside the permitted range
(3.8...20.5 mA).
There is no connection to measured value
W 3.8 mA
20.5 mA
7
A661 Electronics temperature is too high W 8
Fault Reason Remedy
No
measured value
No supply voltage Check power supply
Signal line faulty Check signal line
Electronic insert faulty
- FEI20 directly connected to L1 and N
Only connect to transmitter power supply
unit
Incorrect
measured value
Incorrectly calibrated Carry out full/empty calibration again
Insulation of probe rod damaged Replace probe
Liquid conductivity too low Select other measuring principle
Red LED flashing
Alarm (A)/warning (W) See Error Code table