Error Messages On The Display - Bühler technologies CU-EMA+ Guía Rápida

CU-EMA+
6 Maintenance
Always observe the applicable safety- and operating regula-
tions when performing any type of maintenance. Please refer
to the original operator's manual on the included CD or online
at www.buehler-technologies.com for maintenance informa-
tion.
7 Service and Repair
Please refer to the original operator's manual on the included
CD or online at www.buehler-technologies.com for a detailed
description of the unit including information on
troubleshooting and repair.

7.1 Error messages on the display

If an error occurs, the display will read "Err". Press the "
button to show the error number(s).
Error messages will appear until the unit has been restarted
or the error is cleared using the "Func" button. It can only be
cleared if the cause for the error has been corrected.
Causes / Action: The following is a list of the most common
causes and actions for the respective error. If the actions listed
do not resolve the problem, please contact Service.
Problem / Mal- Possible cause
function
No dis- • No voltage
play • Loose connect-
ing cable
• Display defect-
ive
D1.02 (The software ver-
sion for the display
(perman-
will appear).
ent)
• Not commu-
nicating with
the controller
Error • An error has
occurred
Error • Controller mal-
01 function
• Malfunction
controller 2
Error • Microcontrol-
03 ler Fault /
MCP2
Error • EEPROM error
04
• Fan malfunc-
tion / fan out
of order
16 Bühler Technologies GmbH
"
Action
• Check the supply
cable
• Check fuse
• Check connections
• Check connections
• Read the error
number as de-
scribed above
• Clear error (tempor-
ary fault)
• Disconnect from
power for approx. 5
s
• Contact service
• Clear error (tempor-
ary fault)
• Disconnect from
power for approx. 5
s
• Contact service
• Contact service
• Contact service
• Check fan
(blocked?)
• Check connection
Error • Moisture de-
22 tector 1 cable
break
Error • Moisture de-
32 tector 2 cable
break
Error • General error
40 temperature
sensor 1
Error • Low temperat-
41 ure / short-cir-
cuit temperat-
ure sensor 1
Error • Excess temper-
42 ature / short-
circuit temper-
ature sensor 1
Error • Measurement
43 fluctuation
temperature
sensor 1
Error • General error
50 temperature
sensor 2
Error • Low temperat-
51 ure / short-cir-
cuit temperat-
ure sensor 2
Error • Excess temper-
52 ature / short-
circuit temper-
ature sensor 2
Error • Measurement
53 fluctuation
temperature
sensor 2
• Check moisture de-
tector line
• Check moisture de-
tector
• Check moisture de-
tector line
• Check moisture de-
tector
• Sensor possibly de-
fective
• Check temperature
sensor connection
• Check temperature
sensor connection
• Check temperature
sensor connection
• Sensor possibly de-
fective
• Check temperature
sensor connection
• Check temperature
sensor connection
• Check temperature
sensor connection
BX440029 ◦ 10/2020