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MK LIT (E5) 01/2021 page 149/172
Fault description
Possible cause
Required measures
Refrigerating performance (continued)
No refrigerating performance; no-
tification “Preheat phase” on the
controller display.
Main power switch (13) and/or
rear power switch (21) turned
on less than 1 hour before op-
erating the chamber.
Turn on the main power switch (13)
and/or the rear power switch (21) at
least one hour before operating the
chamber.
Condensation
Condensation at the samples.
Heating-up phase without anti-
condensation protection.
Use the anti-condensation protec-
tion (chap. 24).
Condensation or icing at the
sides of the inner chamber.
Set-point for a long time below
ambient temperature, icing in
the preheating chamber.
Defrost the chamber.
Condensation at the samples or
at the sides of the inner chamber;
notification “Preheat phase” on
the controller display.
Main power switch (13) and/or
rear power switch (21) turned
on less than 1 hour before op-
erating the chamber.
Turn on the main power switch (13)
and/or the rear power switch (21) at
least one hour before operating the
chamber.
Controller
No chamber function
(dark display).
Display in standby mode.
Press on touchscreen.
Main power switch (13) not
turned on
Turn on the main power switch (13).
Rear power switch (21) not
turned on.
Turn on the rear power switch (21).
Menu functions not available.
Menu functions not available
with current authorization
level.
Log in with the required higher au-
thorization or contact BINDER ser-
vice to obtain an activation code.
No access to controller
Password incorrect.
Contact BINDER service.
Chart recorder function: meas-
ured-value memory cleared, in-
formation lost.
New setting of storage rate or
scaling (minimum and/or max-
imum) (chap. 22.2).
Change the storage rate or scaling
ONLY if the previously registered
data are no longer required.
Controller does not equilibrate to
setpoints entered in Fixed value
operation mode
Controller is not in Fixed value
operation mode.
Change to Fixed value operation
mode.
Controller does not equilibrate to
program set-points.
Controller is not in program
operation mode, or program
delay time is running.
Start the program again. If appropri-
ate, wait for the program delay time.
Program duration longer than
programmed.
Tolerances have been pro-
grammed.
For rapid transition phases, do NOT
program tolerance limits in order to
permit maximum heating, speed.
Program keeps the last program
setpoint constant while in setting
“ramp”.
Program line with setting
“ramp” is incomplete.
When programming with setting
“ramp”, define the end value of the
desired cycle by adding an addi-
tional section with a section time of
at least one second.
Ramp temperature transitions
are only realized as steps.
Setting “step” has been se-
lected.
Select setting “ramp”.
Acknowledging the alarm does
not cancel the alarm state.
Cause of alarm persists.
Remove cause of alarm. If the alarm
state continues, contact BINDER
service.
Alarm message: “- - - - “ or
“<-<-<“ or “>->->“
Sensor rupture between sen-
sor and controller or Pt 100
sensor defective.
Contact BINDER service.
Short-circuit.
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