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35
J1
J1
SOLENOID VALVE (DISPENSE) - FMD-1 & FMD-2
FIG. 36 DISPENSE SOLENOID VALVE
Location:
The dispense solenoid is located on the upper
left center of the tank.
Test Procedures:
1. Disconnect the dispenser from the power source.
2. For FMD-1 disconnect the red and white wires
from the solenoid valve. For FMD-2 disconnect
orange and white wires on the right solenoid or
the tan and white wires on the left solenoid. With
the “RINSE/RUN” switch in the "RINSE" upper
position press the dispense switch on front of
the door.
3. Check the voltage across the red and white,
orange and white or tan and white wires with a
voltmeter. Connect the dispenser to the power
source. The indication must be 120 volts ac for
two wire 120 volt models, three wire 120/208 and
120/240 volt models.
4. Disconnect the dispenser from the power source.
If voltage is present as described, proceed to #5
If voltage is not present as described, refer to wiring
diagram and check dispenser wiring harness.
5. Check for continuity across the solenoid valve
coil terminals.
If continuity is present as described, reconnect the
wires to the solenoid (see Fig. 37), proceed to #6
If continuity is not present as described, replace the
solenoid valve.
6. Check the solenoid valve for coil action. Connect
the dispenser to the power source. With "RINSE/
RUN” switch in the "RINSE" upper position press
the dispense switch and listen carefully in the
vicinity of the solenoid valve for a "clicking" sound
as the coil magnet attracts.
7. Disconnect the dispenser from the power source.
If the sound is heard as described and water will not
pass through the solenoid valve, there may be a block-
age in the water outlet before the solenoid valve or,
the solenoid valve may require inspection for wear,
and removal of waterborne particles.
If the sound is not heard as described, replace the
solenoid valve.
Removal and Replacement:
1. Open dispenser door and remove the hopper(s)
2. Remove the two #8-32 screws securing the hop-
per panel to the auger motor mounting panel and
two #8-32 screws to the whipper mounting panel.
P1666
SERVICE (cont.)
FMD-1
FMD-2
P1665
29112 101598