To use the SCT2 controller in monitor mode
together with the hotplate, ensure the unit is
switched off using the mains control switch at
the side. Hold down both the ‘+’ and ‘ –‘ keys
simultaneously on the SCT2 temperature controller
and turn the mains switch to ‘ON’. Once the digital
display illuminates, release the keys on the SCT2
temperature controller. Monitor mode will be
indicated by a red flashing LED at the bottom right
hand corner of the display of the SCT2 temperature
controller. The amber control LED on the front
panel of the hotplate will NOT be illuminated in
monitor mode.
NB: When in monitor mode, the SCT2 temperature
controller operates as a digital thermometer only,
and no longer controls the temperature of the
medium in use. The hotplate temperature can now
be manually adjusted to the desired setting.
To change from monitor mode to control
mode
To change from monitor mode to controller mode,
press either the ‘+’ or’ –‘ key on the SCT2
temperature controller once. The unit will revert
to controller mod, and will be indicated by the
illuminated amber contact thermometer indicator
visible on the front panel of the hotplate. The red
LED on the bottom right hand corner of the SCT2
temperature controller display will extinguish
when the unit is in controller mode.
NB: For safety reasons, when reverting from
monitor to controller mode the SCT2 temperature
controller will default to the set point temperature
of 20°C.
Troubleshooting
In the event of malfunction the SCT2 temperature
controller can self-diagnose certain fault
conditions. In this case the display will show a
message in the form of ‘Err XX’ where XX is either a
single or double digit code, which identifies the
fault.
Error
code Fault condition
Remedy
Err 1 Thermometer not
calibrated
Return to factory
Err 2 Electronic fault
Return to factory
Err 4 Probe plug removed
Reconnect probe.
in control or monitor
Continuing error
mode
code indicates
hotplate fault -
return to factory
Err 8 Probe out of sample
Replace probe in
when in control
sample
mode
Err 16 Ambient temperature Switch off at
inside hotplate too
'mains' and allow
high (controller
to cool
attached)
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