Pc 1.2 Adapter; Tips On Using Labworldsoft; Faults - IKA IKAMAG RET control-visc C Mode D'emploi

14.2.4

PC 1.2 Adapter

Adapter PC 1.2 for connecting the 9-pin socket with an 8-way
serial interface (25-pin plug).
14.2.5 AK 2.1 Cabel
Cable AK 2.1 for connecting the 7-pin socket of the PC 5.1
adapter to a printer (4 mm banana plug).
14.2.6 AK 2.2 Cabel
Cable AK 2.2 for connecting the 15-pin socket to a printer (4
mm banana plug).
14.3

Tips on using labworldsoft

• The safety temperatures (SAFE H, SAFE P) must be set to
match the test conditions set on the RETcv /C also when
you are using labworldsoft.
• If the setpoint settings in labworldsoft exceed the setpoint
value range or the safety temperature set on the RETcv /C,
the labworldsoft settings will not be accepted. The speed
setpoint must not exceed 1500 rpm.
• If the ramp function to gradually increase the medium
setpoint temperature is used, the system variation and the
control hysteresis can be greater than they would be if a
setpoint temperature is entered directly.
• Heating plate temperature control in critical processes
should only be used by experienced users. Critical
processes in this case refers to the testing of large volumes
under poor control conditions with a single medium
temperature setpoint setting.
• When a watchdog mode is enabled, the watchdog time
must be set at 20 times the sensing time. This is to prevent
process delays, caused by parallel programs (e.g. Excel) or
devices (e.g. NPort-Server), from triggering an Error 2
(watchdog time timeout).
RETCV_0107
15

Faults

A unit fault is indicated by the red flashing "Temp" LED (flas-
hing at one second intervals) and the display of an error code
number "Er n" on the display (see the error code table). The
buzzer also sounds.
To switch off the warning buzzer, press the "Mode" button.
The heating will be powered down (exception: WD – see
table).
Following a fault in the heating circuit, the stirring function will
continue to operate at the speed set before the fault took place
(exception: WD - see table).
To reset a fault, switch off the unit at the main ON/OFF switch
for a few seconds. The unit should remain off long enough for
the temperature to settle. (The residual heat display must be
OFF. See the residual heat display).
When the unit is switched on again, the safety circuit test is
run within 20 seconds. After this the other test/monitoring
functions are enabled.
If the fault will not clear, you must run a RESET cycle (see
section 9.1 Resetting parameters to factory default set-
tings (RESET)).
If a RESET cycle does not clear the fault, take the unit to
your technical service centre.
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