Maintenance, Service; Safety Instructions On Maintenance Work - Binder VDL Series Operating Manual

Fault description
Controller (continued)
Program duration longer than
programmed.
Program keeps the last program
setpoint constant while in setting
"ramp".
Ramp temperature transitions are
only realized as steps.
26.3

Maintenance, Service

26.3.1

Safety instructions on maintenance work

Fire and explosion hazard due to explosive atmosphere during maintenance .
Serious injury or death from burns and / or explosion pressure.
 Before performing maintenance work, make sure that there is no explosive atmosphere
in the installation area of the chamber or inside the chamber.
∅ Do NOT perform any maintenance or tests on the chamber in potentially explosive are-
as s.
 Conduct the explosion protection test when performing the annual maintenance.
∅ Do NOT put the chamber into operation if it did not pass the explosion protection test.
 Before commissioning, ensure that the system is correctly and completely grounded.
Electrical hazard during live maintenance work.
Deadly electric shock.
 Disconnect the chamber before conducting maintenance work. Pull the power plug.
∅ Do NOT remove the rear panel of the chamber.
 Make sure that general maintenance work will be conducted by licensed electricians
with additional skills in explosion protection (ATEX) or experts authorized by BINDER.
VDL (E3.1) 06/2020
Possible cause
Tolerances have been pro-
grammed.
Program line with setting
"ramp" is incomplete.
Setting "step" has been se-
lected.
Required measures
For rapid transition phases, do NOT
program tolerance limits in order to
permit maximum heating, evacuat-
ing, or ventilation speed.
When programming with setting
"ramp", define the end value of the
desired cycle by adding an addition-
al section with a section time of at
least one second.
Select setting "ramp".
DANGER
DANGER
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