Ice-O-Matic GEM1856 Service And Installation Manual

Ice-O-Matic GEM1856 Service And Installation Manual Manual pdf 30 page image

GEM Models A/W Service DiagnosisPage 24Symptom Possible Cause Probable CorrectionUnit makes ice, but very slowly •High discharge pressure because •Clean filter and condenser.of a dirty condenser.•Low capacity because the auger and •Clean the water system.evaporator are coated with mineralscale.•Low suction pressure due to low •Locate leak. Recover therefrigerant charge. refrigerant, repair leak, replacedrier, evacuate and weighin the nameplate charge.Water leak. •Drain plugged up. •Clean out drain.•Tubing cracked •Replace tubing.•Condensation on drain tubing. •Insulate tubing.•Water hose off •Reattach hose.•Reservoir cover off. •Return cover to reservoir.•Reservoir cracked. •Replace reservoir.•Evaporator water seal leaks. •Check base of evaporator anddrip pan. If the seal leaks, shutoff the water, remove the augerand replace the water seal.Check the gear motor forwater infiltration.Excessive water use. •Water cooled model, water regulating •Adjust to 245 PSIG dischargevalve not adjusted properly. pressure.•Reservoir float valve leaks thru. •Replace float valve or seat.•Water cooled model, overcharged •Recover and weigh refrigerant.with refrigerant. Weigh in correct charge.•Water cooled model, condenser coated •Acid clean the water cooledwith minerals. condenser.Excessive ice meltage. •Bin drain clogged •Clean out bin drain.•Improper installation of drains, they are •Drains must be separate.connected.•Poor fit between bin door and door frame. •Adjust or replace.Machine makes too much noise. •Evaporator coated internally with minerals. •Clean with ice machinecleaner.•Motor bearing dry. •Oil or replace motor.