TROUBLESHOOTING
42
CHECK-OUT PROCEDURE
If the control does not perform satisfactorily, check
all connections, proceed through the trouble-
shooting chart on the previous pages, and check
all function codes for proper set-up according to
the table given in Figure 21. If these tests proceed
correctly and the control is still not properly func-
tioning, remove ALL wiring from the back of the
counter and proceed through the following steps. If
the control fails to function in any of the steps,
return it to Durant Products, Attn: Repair Depart-
ment, 901 South 12th Street, Watertown, WI
53094. Enclose a letter describing the malfunction.
Power Input
Connect 115 VAC between terminals #25 and #26.
Jumper terminal #25 to terminal #28 and jumper
terminal #26 to terminal #27. The display should
flash for a short period of time and then remain lit.
Place electrical tape over terminals #25 through
#28 to prevent electrical shock during the next
tests.
Keyboard
Press the “FUNCTION” key, the display should
blank. Press “43” which the display should indi-
cate. Press ENTER, the display should show “0”.
Press “1” which the display should indicate. Press
“ENTER”, the display should flash “0” and the
“COUNT” indicator for a short period of time then
remain lit.
Count Up
Make a momentary connection between terminals
#10 and #12. The display should increment sev-
eral counts. Make a connection with a short piece
of wire between terminals #11 and #12 and repeat
the count test between terminals #10 and #12.
Retain the connection between terminals #11 and
#12.
Count Down
Make a momentary connection between terminals
#14 and #12. The display should decrement sev-
eral counts. Make a connection with a short piece
of wire between terminals #13 and #12 and repeat
the count test between terminals #14 and #12.
Retain the connection between terminals #13 and
#12. Decrement the counter until the display indi-
cates less than #5”.
Preset
Press the “PRESET 1” key and the display should
show “0”. Press the “5” key, which the display
should indicate. Press the “ENTER” key. The dis-
play should blank for one half second then remain
lit. Press the “COUNT” key, the display should indi-
cate the previous count value. Make a momentary
connection between terminals #10 and #12 at
least five times. You should hear the output relay
actuate.
Relay Timeout
Ten seconds after relay K1 actuates, you should
hear it release.
Reset
Press the “RESET” key. The display should show
“0”.
Unlatch
Again make a momentary connection between ter-
minals #10 and #12 at least five times. Before the
ten second timeout elapses, make a momentary
connection between terminals #2 and #8. You
should hear output relay K1 release. Press the
“RESET” key again.
Latch Until Reset Complete
Press the “FUNCTION” key, press “36”, then press
“ENTER”. The display should indicate “0”. Press
the “1” key, then “ENTER”. The display should
show “1”, blank for one half second then remain lit.
Press the “FUNCTION” key, press 30, then press
“ENTER”. The display should show “10.00”. Press
the “0” key, then “ENTER”. The display should
show “0.00”, blank for one half second then remain
lit. Press the “COUNT” key, the display should indi-
cate “0” and the COUNT indicator lit. Make a
momentary connection between terminals #10 and
#12 at least five times. You should hear the output
relay activate. Press the “RESET” key. The display
should display “0” and you should hear the relay
release.