Binder M 115, Operating Manual

Page: 52 / 71

M (E2) 04/2019 page 52/71
14. Troubleshooting
Fault description Possible cause Required measures
Heating
Chamber heating permanently,
set-point not maintained.
Controller defective.
Contact BINDER service. Pt 100 sensor defective.
Semiconductor relay defective.
Controller not adjusted. Calibrate and adjust controller.
Chamber doesn’t heat up.
Heating element defective.
Contact BINDER service.
Semiconductor relay defective
Chamber doesn’t heat up when
turned on.
Safety device class 2 responds.
Limit temperature reached.
Safety device class 2 (chap.
10.1) set too low. Let the chamber cool down and hit
RESET button (3b). If appropriate,
select suitable limit value.
Safety controller (chap. 10.1)
defective.
Contact BINDER service.
Safety device class 3.1 (option)
responds.
Limit temperature reached.
Check setting of temperature set-
point and of safety device class 3.1.
If appropriate, select suitable limit
value.
Controller defective.
Contact BINDER service.
Safety device defective.
Controller
No entries to controller keypad
possible. Notification “KEY
LOCK” is displayed
Keyboard locking (option)
activated. Unlock keyboard locking (chap.
11.10).
No access to menu “User set-
tings”“.
User code incorrect. Contact BINDER service.
Wrong temperature alarms, dis-
turbance of temperature accuracy Temperature unit changed to
°F. Set temperature unit to °C (chap.
6.4).
Chart recorder function: meas-
ured-value memory cleared, in-
formation lost.
New setting of storage rate.
Change the storage rate ONLY if the
previously registered data are no
longer required (chap. 7).
Controller does not attain set-
points entered in Manual Mode.
Button EXIT or AUTOMATIC
has been hit: Chamber is in
Idle Mode.
Change to Manual Mode (chap. 8).
Controller does not attain pro-
gram set-points.
Button EXIT or AUTOMATIC
has been hit: Chamber is in
Idle Mode.
Start the program again (chap. 9.7).
Program duration longer than
programmed. Tolerances have been pro-
grammed.
For rapid transition phases, do NOT
program tolerance limits in order to
allow maximum heating, speed.
Program stops one section too
early.
Program line is incomplete.
When programming, define the end
value of the desired cycle by adding
an additional section with a section
time of at least one second.
Display flashing:
1999 or -1999 or 9999.
Sensor rupture between sen-
sor and controller
Contact BINDER service.
Short-circuit.
Initialization problem due to
turning on the chamber too
early. Observe a delay time of approx. 30s
between turning the chamber Off
and On again.