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3. TROUBLESHOOTING <br /> TROUBLE CAUSE REMEDY <br /> 3.1 Push Chute and A. Dispenser not connected to A. Connect Dispenser to power <br /> nothing happens. power source. source.* <br /> B. Microswitch defective. B. Replace Microswitch.* <br /> C. Wiring Harness not plugged in. C. Plug in Wiring Harness.* <br /> D. PC Board defective. D. Replace PC Board.* <br /> 3.2 Push Chute, Trap Door A. Wiring Harness not plugged in. A. Plug in Wiring Harness.* <br /> opens but Motor does B. PC Board defective. B. Replace PC Board.* <br /> not run. C. Motor defective. C. Replace Motor.* <br /> 3.3 Push Chute, Motor A. Solenoid not connected to A. Connect Solenoid to PC board.* <br /> runs but Trap Door PC Board. <br /> does not open. B. Solenoid defective. B. Replace Solenoid.* <br /> C. PC Board defective. C. Replace PC Board.* <br /> 3.4 Push Chute, Trap Door A. Dispenser is out of ice. A. Fill unit with ice. <br /> opens, Motor runs, B. Agitator Pin is missing or B Replace Agitator Pin. <br /> but no ice dispenses. damaged. <br /> 3.5 Valves do not operate. A. Keyswitch is off. A. Turn Keyswitch on. <br /> B. Transformer tripped. B. Reset Transformer. <br /> C. Unit not plugged in. C. Plug in Dispenser.* <br /> 3.6 Water in Ice Bin. A. Coldplate Drain is obstructed. A. Remove Drain Hose and <br /> 90 degree fitting to obtain <br /> access to Drain. <br /> B. Drain Hose is kinked. B. Replace Drain Hose. <br /> * Light Emitting Diodes (LEDs) are provided on the PC Board to aid in troubleshooting electrical <br /> difficulties. Referring to the wiring diagram included in this manual (also affixed to the electrical box <br /> cover), the following information in Section 4 can be obtained from the LEDs. <br /> 4. LIGHT EMITTING DIODES (LEDS) <br /> 4.1 LED D3 <br /> This light is on when the ice dispense switch is activated. If the chute is depressed and the light does <br /> not turn on, check to see if the wire harness is connected or if the dispense switch is defective. <br /> 4.2 LED D4 <br /> This light is used on units with lid interlock switches. On the 4500 series ice-beverage dispenser, this <br /> light should always be lit. If it is not, check the Lid Interlock Jumper (black wire with 4 pin white <br /> connector). <br /> 4.3 LED D5 <br /> This light is on when +5VDC is present at the circuit board. It should be lit whenever the unit is <br /> connected to a power source. If the light is off, check to see if the internal circuit breaker on the <br /> transformer has tripped. If it has tripped, it can be reset by depressing the switch on the top of the <br /> transformer. <br /> 4.4 LED D6 <br /> This light is on when +32VDC is present at the circuit board. It should be lit whenever the unit is <br /> connected to a power source. If the light is off, check to see if the internal circuit breaker on the <br /> transformer has tripped. If it has tripped, it can be reset by depressing the switch on the top of the <br /> transformer. <br /> 4.5 LED D7 <br /> This light flashes when there is no ice between the sensors in the ice bin. If the bin is empty and the <br /> light is not flashing, check all wiring harnesses. <br /> 7 <br />