RS1300005 Rev. 0
44
Ice ‘N Water Systems
Symptom
Possible Cause
Test Procedure
Repair
The bulb is not
screwed in tight in
the socket.
Check to see if the bulb is tight in the socket.
Screw the bulb in tight.
The bulb filament
has opened.
Check the bulb for conti nuity.
Replace the bulb.
Dispenser light never
turns on.
The bulb socket
contacts are not
contacting the bulb
metal surface.
Test for the presence of line voltage across
the terminals on the socket while dispensing.
Repair/replace the bulb socket.
The volume is set
too low.
Press the MESSAGE PAD. Record and play
back a message. Adjust the volume until it
can be heard.
Done.
No prerecorded
sounds or messages
can be heard.
A speaker wire is not
attached or is
broken.
Measure the resistance of the speaker and
wire harness. It should be 8 +/- 1 Ohms.
If the reading is within range, then replace
the control board. Otherwise, replace the
speaker or repair the wire connection.
No message LED
Failed keyboard.
Set up meter to read 5 VDC. Press the
MESSAGE PAD. Record a message and
press STOP button. The message LED
should begin to flash. If it does not, then
measure the voltage from pin 4 of the
dispenser switch header J4 on the control
board to R14 just above and to the right of
the keyboard connector.
The voltage should being cycling between
5 and 0 VDC.
If it does not, then replace the control
board, otherwise replace the keyboard.
Prerecorded sounds
are ok but cannot
hear user messages
at all.
Control board
microphone
malfunctioning
Press the MESSAGE PAD. Record and play
back a message. Try adjusting the volume.
If user messages cannot be heard but
prerecorded sounds can be heard, then
replace the Control board.
Messages can be
heard but there are
no prerecorded
sounds
The NO SOUND
option has been set
in the control.
From the dispenser screen press the MENU
pad. For the SOUND Option select either
TONE or VOICE and retest.
If it works, then done.
If it fails, then verify the volume is turned
up loud enough to hear. If it still fails then
replace the control board.
Control not
responding to
keyboard pad presses
Keyboard tail not
fully inserted into
control board
header.
Reinstall the keyboard tail into the control
board and retest.
If the control does not respond to keyboard
pad presses then test the keyboard as
defined above.
Replace the keyboard if it fails the test,
otherwise replace the control board.
Night-Light is always
on. Sometimes it is
dim and sometimes it
is bright.
The LIGHT option is
configured ON.
When the LIGHT is ON, then in low light the
light is on at ½ power and when there is a lot
of ambient light, the light is on full power.
Done.
The LCD backlight
has been turned off.
From the dispenser screen, press and hold
the MENU pad for 3 seconds until the screen
changes. Press the buttons under the arrow
pads until TURN ON THE DISPLAY LIGHT
is highlighted. Press the pad under SELECT
to turn on the display light.
Done.
LCD Module is hard
to read.
The LCD Contrast is
too low.
From the dispenser screen press MENU pad
3 times until SET AUDIO VOLUME appears
in the display banner. Press SELECT pad to
display the SET LCD CONTRAST screen.
Press the up and down arrows until the
desired contrast is achieved.
Done.
LCD backlight
sometimes is dim,
sometimes bright.
Automatic backlight
level adjustment.
The LCD backlight has 3 separate levels;
low, medium and high. When the room is
dark the backlight automatically will be in the
low state. In medium light level conditions
the LCD backlight will be at a medium level.
In bright rooms the LCD backlight level will
be high.
No manual adjustment is available.
No LCD Graphics
visible
Failed LCD Module
or control board.
1. Press the message pad to get into the
message center.
2. Press the LEFT pad under the display to
record a message. Speak into the
microphone area for about 10 seconds.
3. Press the LEFT pad again to stop
recording. Does the message begin to flash
on and off?
4. Press the MESSAGE pad and then press
and hold the CENTER pad under the display
to begin playback of the message and begin
increasing the volume of the playback. Can
the recorded message be heard?
If the answer to either of these questions
is YES, then replace the LCD module.
Otherwise replace the control board.
Summary of Contents for 22 Cu. Ft
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