UF V (E3) 03/2019 Page 98/116
26. Troubleshooting
Fault description Possible cause Required measures
General
Chamber without function.
No power supply. Check connection to power supply.
Wrong voltage.
Check power supply for correct
voltage (chap.4.5).
Chamber fuse has responded.
Check chamber fuse and replace it
if appropriate. If it responds again,
contact BINDER service.
Controller defective. Contact BINDER service.
Alarm message “Door open” Chamber door open. Close chamber door.
Refrigerating performance
No refrigerating performance
after turning on the chamber.
Alarm message “Safety control-
ler”
Limit temperature reached.
Check setting of temperature set-
point and of safety controller. If
appropriate, select suitable limit
value.
Controller defective.
Contact BINDER service. Safety controller defective.
Semi-conductor relay defective.
Too much external heat load. Reduce heat load
Chamber refrigerating perma-
nently, set-point not held.
Semiconductor relay defective.
Contact BINDER service.
Controller defective.
Controller not adjusted, or ad-
justment interval exceeded.
Calibrate and adjust controller.
Door not shut tightly. Check if doors are closed.
Frost on door gasket.
Defrost the door gasket with the
ice scraper.
Door gasket defective. Contact BINDER service.
Door opened very frequently. Open doors less frequently
Place of installation too warm.
Select cooler place of installation
or contact BINDER service.
Introduction of too warm or too
large amount of material.
Cool down material before intro-
ducing and / or load in smaller
portions.
Alarm message “Temp. range”
Current actual temperature value
outside the tolerance range.
Operation temporarily possible.
Check the tolerance range set-
tings. With other error messages
remove the respective cause.
Alarm message “Inner temp.
sensor”
Inner temperature sensor defec-
tive. Control continues using the
safety controller temperature
sensor
Operation temporarily possible.
Contact BINDER service.
Alarm message “Safety control
sensor”
Safety controller temperature
sensor defective
Operation temporarily possible.
Contact BINDER service.
Temperature display shows
“- - - - “ or “<-<-< “ or “>->->”
Messages alternating:
Inner temp. sensor and Safety
control sensor
Inner temperature sensor and
safety controller temperature
sensor defective. Refrigeration is
turned on permanently.
Contact BINDER service.
DOMINIQUE DUTSCHER SAS
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