5
Air Temperature Probe Failure.
Will be displayed.
The alarm will sound but can be silenced by pressing any button.
There is no further action that can be taken by the user in this instance. During this period the unit will continue to
operate but have a reduced performance.
Action:
Replace Probe.
Evaporator Temperature Probe Failure. (Automatic Defrost Cabinets Only)
Will be displayed.
The alarm will sound but can be silenced by pressing any button.
There is no further action that can be taken by the user in this instance. During this period the unit will continue to
operate satisfactorily, but this failure will have an effect on the defrost and therefore efficiency if allowed to
continue.
Action:
Replace Probe.
Information Menu
Pressing and releasing
activates the information menu. From this menu you can display the
temperature relating to T1 (air probe), T2 (evaporator probe, if fitted) and T3 (condenser probe, if fitted).
The maximum temperature (THI) and the minimum temperature (TLO) the cabinet has achieved since it was last
re-set.
The total operating time of the condenser (CND), since it was last cleaned, and the keyboard status (LOC).
The information to be displayed can be selected sequentially by pressing
repeatedly or scrolling
through the menu using the
or
buttons.
Once selected press
to display the value
Exit from the info menu by pressing
or is automatic after 6 seconds if no buttons are pressed.
To reset the temperature settings recorded in THI and TLO and the hours counted in CND, access the info
menu press
to display the value plus
simultaneously for resetting to be completed.
To check the LOC status scroll through to LOC, press
to display status
– YES to lock keys. – NO to
leave keys accessible.
NOTE: with the keys locked it is not possible to turn the unit OFF or ON or to check the set point
Parameter Setting and Adjustment
It is strongly advised that before adjusting any Service Parameters a thorough understanding of the
following instructions should be obtained.
The parameters are accessed by pressing the following keys in
succession
+
“set”
+
and
keeping them pressed for 5 seconds.
After this period the first parameter
„SCL‟
will be displayed.
Press button
to pass from one parameter to the next and button
to go back.
Press
to display the value +
or
to change it.
Exit from set up is by pressing
or is automatic if no buttons are pressed for 30 seconds
NOTE:
When receiving a replacement controller the unit will be set with the default settings. Change the settings to those
relating to the particular model. After changing parameter „SCL‟ from „1‟ to „2‟ moving through parameters „SPL‟,
„SP‟, „FDD‟, IISL‟ and „IISP‟ you may find that „-or‟ will be displayed. „-or‟ indicates that the control setting is out of
range.
To get the parameter back into range, for example „SPL‟, press
to display the value +
E2
E1
