6
Beginning in August 2003, the control board for the GR-1 & 2 Series grinders was changed. The following
programming instructions apply only to new models with software version 0.9 and above. For earlier
models, see the User’s Guide that was supplied with the unit.
The Programming Instructions are also on a label on the underside of the lower cover.
Programming Instructions – Software Version 0.9 and Above
f
Turn the power switch off.
f
Remove the lower cover.
f
Turn the power switch on.
The currently programmed model number will flash
briefly. (example:
12
= GR-1.2,
23
= GR-2.3)
f
Then, if the software default settings are currently
programmed, the display will read
DEF.
If not,
the display will be blank.
f
Hold
SET
for 5 seconds, until the display reads
SET.
f
Release
SET
, the software version will be displayed.
(Example: 0.9, 1.0, etc.)
f
Press
SET.
The display will read
TYP
briefly,
followed by the currently programmed model number.
Press the
UP
and
DOWN
buttons until the correct model
number is displayed. (GR-1.2 =
12
, GR-2.3 =
23
, etc.)
f
Press
SET.
The display will read
DEF.
Press
SET
to skip this section.
To reset the unit to factory default settings, hold
SET
for
5 seconds, until
STO
is displayed briefly. This will exit
programming mode. To re-enter programming mode, hold
SET
for 5 seconds again.
f
Press
SET.
The display will read
DLY
briefly,
followed by the current motor delay setting in seconds.
(GR-2.2 & 2.3 only)
Press
UP
and
DOWN
to adjust.
f
Press
SET
.
The first switch number will be displayed
briefly, followed by the current setting in seconds.
Example: LH1 = Left side small batch, 7.0 seconds
f
Press
SET
. The next switch number will be displayed
briefly, followed by the current setting.
Example: LH2 = Left side medium batch, 13.5 seconds.
f
Continue this way until all switches are programmed.
See the chart for switch designations.
f
Important! To save your changes and return to operating
mode, you must hold
SET
for 5 seconds until the display
reads
STo
.
23
TYP
SET
DEF
LH1
LH2
7.0
13.5
X.X
23
DEF
STo
STo
8.0
CONTROL BOARD
DLY
MOTOR DELAY
This sets the time that the motor
continues to run after the hopper
doors close on GR-2 series
grinders. This delay ensures
that all beans have passed
through the grind chamber,
preventing cross contamination
of different coffees.
Default setting: 8 sec.
SWITCH DESIGNATIONS
Model
GR- 1.2 1.3 2.2 2.3
Left
Small LH1 LH1 LH1 LH1
Left
Med. LH2 LH2
Left
Large LH3 LH3 LH3 LH3
Right Small
RH1 RH1
Right
Med.
RH2
Right Large
RH3 RH3
DEFAULT SETTINGS
Small – LH1/RH1 = 7 sec.
Med. – LH2/RH2 = 13.5 sec.
Large – LH3/RH3 = 20.0 sec.
Содержание GR-1.2
Страница 8: ...8 Wiring Diagrams GR 1 Effective August 2003...
Страница 9: ...9 GR 2 Effective August 2003...
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