Fault Diagnostics Fei53 And Fei57S; Activating Fault Diagnostics Fei58 - Endress+Hauser Liquicap M FTI51 Operating Instructions Manual

Liquicap M FTI51
Endress+Hauser
Operate the device in the specified temperature range only
8.2

Fault diagnostics FEI53 and FEI57S

The device does not switch
Check the connection and the supply voltage
Alarm LED flashes
The ambient temperature of the electronics is outside the permitted range or the
connection to the probe is interrupted
8.3

Activating fault diagnostics FEI58

This function makes it possible to interpret faults using the three LEDs. If the system has
detected more than one fault, the fault with the highest priority is shown on the display.
To display the diagnostic code:
1
-
+
> 2 s
A0042550
‣
Press the  key > 2 s
No fault
Internal fault - priority 1
The device is defective
The calibration point is too close to the measuring range limit - priority 2
 59
Reduce the switch-point or select a new installation location
Calibration points have been accidentally interchanged - priority 3
Diagnostics and troubleshooting
A0042551
A0042552
A0042571
71