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TC-Standard (+)
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 /
Malfunction
Possible cause
Action
No
display
• No voltage
• Loose connect-
ing cable
• Display defective
• Check the sup-
ply cable
• Check fuse
• Check connec-
tions
(perman-
ent)
D1.02
(The software ver-
sion for the display
will appear).
• Not communic-
ating with the
controller
• Check connec-
tions
Error
• An error has oc-
curred
• Read the error
number as de-
scribed above
Error 01
• Controller mal-
function
• Clear error
(temporary
fault)
• Disconnect
from power for
approx. 5 s
• Contact service
Error 03
• Microcontroller
Fault / MCP2
• Contact service
Error 04
• EEPROM error
• Contact service
Error 22
• Moisture de-
tector 1 cable
break
• Check moisture
detector line
• Check moisture
detector
Error 32
• Moisture de-
tector 2 cable
break
• Check moisture
detector line
• Check moisture
detector
Error 40
• General error
temperature
sensor 1
• Sensor possibly
defective
Error 41
• Low temperat-
ure / short-cir-
cuit temperat-
ure sensor 1
• Check temper-
ature sensor
connection
Error 42
• Excess temper-
ature / short-cir-
cuit temperat-
ure sensor 1
• Check temper-
ature sensor
connection
Error 43
• Measurement
fluctuation tem-
perature sensor
1
• Check temper-
ature sensor
connection
Error 50
• General error
temperature
sensor 2
• Sensor possibly
defective
Error 51
• Low temperat-
ure / short-cir-
cuit temperat-
ure sensor 2
• Check temper-
ature sensor
connection
Error 52
• Excess temper-
ature / short-cir-
cuit temperat-
ure sensor 2
• Check temper-
ature sensor
connection
Error 53
• Measurement
fluctuation tem-
perature sensor
2
• Check temper-
ature sensor
connection
Status text
Possible cause
Action
H2o.1
• Moisture alarm
moisture de-
tector 1
• Dry
• Check condens-
ate trap
H2o.2
• Moisture alarm
moisture de-
tector 2
• Dry
• Check condens-
ate trap
init
• Initialisation
phase
• Wait
PuMP
• Pumps deactiv-
ated
• Reactive pumps
via menu
dt
Active Delta T control
only: The block tem-
perature is outside
the defined temper-
ature range.
• Cooler is still in
the "break-in
phase"
• Fluctuating am-
bient temperat-
ure
• Insufficient cool-
ing capacity
• Wait to see if
the target tem-
perature will be
reached
• Check the ambi-
ent temperat-
ure / power
supplied
• Process-related:
Adjust alarm
limits
(Flash-
ing)
• Excess/low tem-
perature
• see chapter
“Troubleshoot-
ing”
16
Bühler Technologies GmbH
BX440017 ◦ 02/2020