EGK 1/2
7.1 Troubleshooting
Problem / Mal-
Possible cause
function
No display
• Mains voltage in-
terrupted
• Fuse defective
Cooler doesn't
• Compressor hous-
start up
ing temperature
too high
Display flashes due to:
• Excess
• Operating point
temperat-
not yet reached
ure
• Cooling output
too low despite
the cooler run-
ning
• Flow rate / dew
point / gas tem-
perature too high
• Built-in fan
stopped
• Temperat-
• Control unit fail-
ure low
ure
Condensate in-
• Condensate trap
side the gas
full
output
• Valve inside the
automatic con-
densate drain
may be stuck
• Cooler overload
Reduced gas
• Gas circuit
flow rate
clogged
• Condensate out-
put iced over
No cooling
• Compressor
doesn't start up
Fuse is trigger-
• Increased com-
ing
pressor current
consumption due
to faulty com-
pressor start-up
BX450001 ◦ 04/2023
Error Messages in the Display
The display alternates between the temperature and error
Action
message,
• Connect to
Problem / Mal-
mains; verify
• the plug is inser-
ted correctly
• Check fuse and
replace, if neces-
sary
• Allow to cool
down and ensure
8 Disposal
adequate ventil-
ation
The refrigerant circuit of the cooler contains R134a refrigerant.
The heat exchanger is charged with glycol-based coolant.
• Wait (max. 20
The applicable national laws must be observed when dispos-
min)
ing of the products. Disposal must not result in a danger to
• Ensure the vents
health and environment.
are not covered
The crossed out wheelie bin symbol on Bühler Technolo-
(heat buildup)
gies GmbH electrical and electronic products indicates special
disposal notices within the European Union (EU).
• Maintain limits /
install pre-separ-
ator
• Check and re-
place if necessary
• Send in cooler
• Empty condens-
ate trap
• Flush in both dir-
ections
We are obligated by law to protect our employees from haz-
ards posed by contaminated devices. Therefore please under-
stand that we can only dispose of your waste equipment if the
• Maintain limits
device is free from any aggressive, corrosive or other operat-
• Remove and
ing fluids dangerous to health or environment. Please com-
clean heat ex-
plete the "RMA Form and Decontamination Statement", avail-
changer
able on our website, for every waste electrical and electronic
• Send in cooler
equipment. The form must be applied to the packaging so it is
visible from the outside.
• Compressor PTC
Please return waste electrical and electronic equipment to the
not cooled down
following address:
sufficiently. Wait
5 minutes and try
Bühler Technologies GmbH
again.
WEEE
• Compressor PTC
Harkortstr. 29
not cooled down
40880 Ratingen
sufficiently. Wait
Germany
5 minutes and try
Please also observe data protection regulations and remem-
again.
ber you are personally responsible for the returned waste
equipment not bearing any personal data. Therefore please
be sure to delete your personal data before returning your
waste equipment.
Possible cause
function
Error 01
• Interruption
Error 02
• Short circuit
The crossed out wheelie bin symbol indic-
ates 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 be-
low for this purpose.
Action
• Temperature
sensor failure:
Send in cooler
• Temperature
sensor failure:
Send in cooler
Bühler Technologies GmbH
11