Bühler technologies Modbus RTU TC-MIDI plus Notice De Montage page 20

TC-MIDI (+)
Problem/mal- Possible cause
function
No dis- • No voltage
play
• Loose connect-
ing cable
• Display failure
D1.02 (The software ver-
sion for the display
(perman-
will appear).
ent)
• Not communic-
ating with the
controller
Error • An error has oc-
curred
Error 01 • Controller mal-
function
Error 03 • Microcontroller
fault / MCP2
Error 04 • EEPROM error
Error 22 • Moisture de-
tector 1 cable
break
Error 32 • Moisture de-
tector 2 cable
break
Error 40 • General error
temperature
sensor 1 (block
temperature)
Error 41 • Low temperat-
ure / short-cir-
cuit temperat-
ure sensor 1
Error 42 • Excess temper-
ature / short-
circuit temper-
ature sensor 1
Error 43 • Measurement
fluctuation
temperature
sensor 1
Error 50 • General error
temperature
sensor 2 (refer-
ence temperat-
ure Delta-T)
Error 51 • Low temperat-
ure / short-cir-
cuit temperat-
ure sensor 2
20 Bühler Technologies GmbH
Action
• Check the supply
cable
• Check fuse
• Check connec-
tions
• Check connec-
tions
• Read the error
number as de-
scribed above
• Clear error (tem-
porary fault)
• Disconnect from
power for approx.
5 s
• Contact service
• Contact service
• Contact service
• Check moisture
detector line
• Check moisture
detector
• Check moisture
detector line
• Check moisture
detector
• Possible sensor
failure
(Flash-
ing)
• Check temperat-
ure sensor con-
9 Disposal
nection
The heat exchanger is charged with glycol-based coolant.
The applicable national laws must be observed when dispos-
• Check temperat-
ing of the products. Disposal must not result in a danger to
ure sensor con-
health and environment.
nection
The crossed out wheelie bin symbol on Bühler Technolo-
gies GmbH electrical and electronic products indicates special
• Check temperat-
disposal notices within the European Union (EU).
ure sensor con-
nection
• Possible sensor
failure
• Check temperat-
ure sensor con-
nection
Error 52 • Excess temper-
ature / short-
circuit temper-
ature sensor 2
Error 53 • Measurement
fluctuation
temperature
sensor 2
Status text Possible cause
H2o.1 • Moisture alarm
moisture de-
tector 1
H2o.2 • Moisture alarm
moisture de-
tector 2
init • Initialisation
phase
PuMP • Pumps deactiv-
ated
dt Active Delta T con-
trol only: The block
temperature is out-
side the defined
temperature range.
• Cooler is still in
the "break-in
phase"
• Fluctuating
ambient tem-
perature
• Insufficient
cooling capa-
city
• Excess/low
temperature
The crossed out wheelie bin symbol indicates
the electric and electronic products bearing
the symbol must be disposed of separate
from household waste. They must be properly
disposed of as waste electrical and electronic
equipment.
Bühler Technologies GmbH will gladly dis-
pose of your device bearing this mark. Please
send your device to the address below for this
purpose.
• Check temperat-
ure sensor con-
nection
• Check temperat-
ure sensor con-
nection
Action
• Dry
• Check condensate
trap
• Dry
• Check condensate
trap
• Wait
• Reactive pumps
via menu
• Wait to see if the
target temperat-
ure will be
reached
• Check the ambi-
ent temperat-
ure / power sup-
plied
• Process-related:
Adjust alarm lim-
its
• see chapter
"Troubleshoot-
ing"
BX440016 ◦ 04/2023