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OPERATIONS AND SERVICE MANUAL PN 28-0255/11275. LIgHT EMITTINg DIODES (LEDS) - CONTINUED5.5 LED D7 - Light flashes when there is no ice between the sensors in the ice bin. If the bin is emptyand the light is not flashing, check all wiring harnesses.5.6 LED D8 - Light is on when the solenoid is activated. When the chute is depressed, this light shouldturn on. If it does not, check to see if the solenoid leads are connected to the PC board are damaged,check continuity of solenoid. Replace if defective.5.7 LED D9 - Light is on when the motor is activated. When the chute is depressed, this light shouldturn on. If it does not, check to see if the motor harness is connected to the PC board are damaged,check continuity of motor harness and motor. Replace if defective.6. AUTOMATIC AgITATION AND LOW ICE ALARM CONTROL (NOT AppLICABLE FOR LCD UNITS)Each Series 4500 ice beverage dispenser is equipped with automatic agitation for the ice bin. The unit isshipped with timing set at two (2) seconds ON every 60 minutes. Referring to the tables on the wiringdiagram included in this manual (also affixed to the electrical box cover), the automatic agitation timingcan be changed as follows. A set of DIP switches is provided to control the timing and low ice control.6.1 DIp#1 - This switch controls the low ice indicator light. With the switch in the ON position, the lightoperates when a low ice condition exists. In the OFF position, the light is turned off. The unit is shipped withthe light switch in the ON position.6.2 DIp#2 - This switch controls the low ice audible alarm. With the switch in the ON position, the alarmoperates when a low ice condition exists. In the OFF position, the alarm is turned off. The unit is shippedwith the alarm switch in the OFF position.6.3 DIp#3 & #4 - These switches control the ON time for automatic agitation. By referring to the tableand setting the switches as shown, ON times from one (1) second to four (4) seconds [in one (1) secondincrements] can be obtained. EXAMPLE: For three (3) seconds ON time, switch 3 should be in the ONposition, and switch 4 should be in the OFF position. The unit is shipped with two (2) seconds ON time.6.4 DIp#5 through #8A. These switches control the OFF time for automatic agitation. By referring to the table andsetting the switches as shown, OFF times from 10 minutes to 150 minutes (in 10 minuteincrements) can be obtained. EXAMPLE: For 40 minute OFF time, switch 5 should be in theOFF position, switch 6 should be in the ON position, switch 7 should be in the OFF position,and switch 8 should be in the OFF position. The unit is shipped with 60 minute OFF time.B. To turn the agitation completely off, set switches 5 through 8 all OFF.Dispensers using pellet ice must have the automatic agitation settings adjusted tofour (4) seconds ON every 150 minutes.
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