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SERVICE DIAGNOSIS

GEMD270A

Page 20

SYMPTOM

POSSIBLE CAUSE

SUGGESTED CORRECTION

Wet ice

Ambient temperature too high

Move unit to cooler location

High water level in the freezer

Lower to approx. 20mm below ice spout

Faulty compressor

Replace

Machine runs but makes no ice

Water not entering in the freezer

Air lock in feed line to freezer.

Clogged feed line to freezer. Clean it

Gear stripped

Check and repair

Moisture in the system

Purge, replace drier and re-charge

Water leaks

Water seal leaking

Replace water seal

Water feed line to freezer leaking

Check and fasten hose clamp

Float valve not closing

Check and adjust float valve setting
screw

Excessive noise or chattering

Mineral or scale deposit on auger

Remove and manually polish auger and
inner freezer walls and inner walls of
freezer barrel using emery paper

Low suction pressure

Add refrigerant to increase suction
pressure

Water feed line to freezer clogged

Vent and clean it

Low water level into freezer

Adjust to approx. 20 mm below ice spout

Gear motor noise

Worn rotor bearings

Check and replace

Shortage or poor lubricant in gear case

Check for proper lubricant level by
opening gear case.

Top of gears must be covered with
lubricant

Gear case bearings and gear racers
worn out

Check and replace worn parts

Shortage of water

Strainer at water inlet fitting clogged

Remove strainer and clean

Float reservoir water nozzle clogged-up
nozzle

Remove float valve and clean

Summary of Contents for GEMD270A

Page 1: ...MODEL GEMD270A PEARL ICE WATER DISPENSER SERVICE AND INSTALLATION MANUAL Ice O Matic 11100 East 45th Ave Denver Colorado 80239 Part Number 9081407 01 Print Date 9 09...

Page 2: ...SERVICE PARTS MANUAL 22 INCH WIDE ICE SERIES CUBERS MODEL ICE0320 ICE0520 Includes 50Hz Units ICE O Matic 11100 East 45th Ave Denver Colorado 80239 Part Number 9081297 01 PD04 02 Rev1 05...

Page 3: ...ONNECTIONS Page 5 WATER SUPPLY AND DRAIN CONNECTIONS Page 6 FINAL CHECK LIST Page 7 OPERATING INSTRUCTIONS Page 8 INITIAL START UP CONTINUED Page 9 SETTING THE DISPENSING SELECTOR Page 11 PRINCIPLE OF...

Page 4: ...S GEMD270A Page 2 Model Cond unit Cabinet Size Finish Comp HP Ice bin cap GEMD270A Air 34 13 32 high x 15 9 32 wide x 26 7 64 deep S Steel 3 8 12 lb Basic electrical Amps Watts Amps fuse 115 60 1 6 55...

Page 5: ...CABINET DIAGRAMS GEMD270A Page 3...

Page 6: ...including Model and Serial Number taken from the data plate Forward the completed self addressed registration card to Ice O Matic factory LOCATION AND LEVELING WARNING This Ice Dispenser is designed...

Page 7: ...sure that the ice machine is connected to its own circuit and individually fused see data plate for fuse size The maximum allowable voltage variation should not exceed 10 and 10 of the data plate rati...

Page 8: ...ar WATER SUPPLY Connect to the male water inlet fitting using the supplied fitting to the cold water supply line A shut off valve should be installed in an accessible position between the water supply...

Page 9: ...en checked to ensure a flowing water pressure of at least 20 psi 7 Check all refrigerant lines and conduit lines to guard against vibrations and possible failure 8 Has the unit been sealed to the coun...

Page 10: ...After 3 minutes have elapsed the stand by period the unit starts operating by activating systems in following sequence 1 GEAR MOTOR 2 COMPRESSOR 3 FAN MOTOR which is controlled by the condenser tempe...

Page 11: ...panels and if needed connect the refrigerant service gauges to the corresponding service valves to check both the HI and LO refrigerant pressures NOTE The condenser temperature sensor which is located...

Page 12: ...start up immediately 2 seconds later the compressor will start and after the 3 minutes the unit resumes normal operation F To check for the correct operation of the electronic eye that controls ice b...

Page 13: ...shing the proper switch b Place a glass or a carafe in front of the two Optical Dispensing Devices c The dispensing drive motor and or the water solenoid valve starts Ice and or water is discharged th...

Page 14: ...r and is powered by a direct drive gear motor It carries the ice upward along the inner walls of the freezer and as it raises the ice gets progressively thicker and harder As the ice rises upward it m...

Page 15: ...microprocessor on the PC Board that energizes through a TRIAC the Fan Motor in ON OFF mode When the condenser temperature goes below the pre fixed limit the temperature sensor changes its electrical...

Page 16: ...he gear motor rotating speed is slowed below 1300 rpm normal speed is 1400 rpm the Electromagnetic Safety Device transmits an electrical signal to the MICROPROCESSOR to stop the unit operation immedia...

Page 17: ...ce machine is off and why C CONDENSER TEMPERATURE SENSOR BLACK TWO POLE CONNECTOR MANUAL RESET The condenser temperature sensor probe located within the condenser fins detects condenser temperature va...

Page 18: ...ith the two infrared sensors of ice level control The RED LED lights up and after 6 seconds the ice machine resume its operation and the 6th YELLOW LED turns off F ICE WATER OPTICAL DISPENSING DEVICE...

Page 19: ...lastic box on the right side of the unit consists of two separated printed circuit boards one at high voltage and the other at low voltage protected by three fuses integrated with a RESET button It al...

Page 20: ...otor reducer is made of a single phase electric motor with a permanent capacitor directly fitted on a gearbox The drive motor rotor is kept aligned on its vertical axis by two permanently lubricated b...

Page 21: ...ops Check for correct operation of drive after a while motor magnetic sensor Check for correct magnetic capacity of magnetic cylinder Compressor cycles intermittently Low voltage Check circuit for ove...

Page 22: ...st float valve setting screw Excessive noise or chattering Mineral or scale deposit on auger Remove and manually polish auger and inner freezer walls and inner walls of freezer barrel using emery pape...

Page 23: ...elp of a bit of ice machine cleaner plain 7 With the ice machine and fan motor OFF clean condenser using vacuum cleaner whiskbroom or non metallic brush taking care to do not damage the condenser temp...

Page 24: ...the water reservoir taking care to maintain the level just below the overflow NOTE The ice made with the cleaning solution is slushy and colored It may also loose fluidity creating some resistance in...

Page 25: ...n 11 Remove nut holding bin to chassis 12 Pull bin out of machine 13 Remove screws holding air deflector to chassis and pull deflector out of the unit 14 Remove screws holding reservoir to bulkhead pa...

Page 26: ...lace large washers over coupling and small washer under bottom of bearing Insert bolt through large washers coupling and bearing Run one nut into bearing to center the bolt Add small washer and nuit T...

Page 27: ...e thrust bearing and place it on top of the roller bearing The inner race of the roller bearing must project through the center of the flat thrust bearing 9 Install the flat washer provided with the n...

Page 28: ...ring and bottom seal Rotating Half 1 Remove old rotating half from the auger Clean the mounting area 2 Place a bead of food grade sealant onto the shoulder of the auger where the rotating half of the...

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