Cornelius IMD Series installation manual Troubleshooting Chart Icemaker not Operating

Page 23

© 2004-2009, IMI Cornelius Inc.

- 19 -

Publication Number: 638085277INS

 

 

 

 

TROUBLESHOOTING CHART - ICEMAKER NOT OPERATING

 

 

 

 

NO POWER

 

 

 

ICEMAKER RUNS BUT

LOW WATER SAFETY

Storage Container Bin

ICEMAKER OPERATING BUT

GEARMOTOR OVERLOAD

 

 

Dispense Timer Keeping

DOES NOT MAKE ICE

SWITCH OPEN

Switch Open

Soft Ice

 

 

TRIPPED

 

 

Icemaker Off

 

 

 

 

 

 

Poor dispensing

 

 

 

 

 

 

 

 

 

 

 

Checkbin switch

 

 

 

 

 

 

 

 

Condenser fan running

 

 

Checkto see if ice con

 

 

Checkwater level control

Checkelectrical wiring in con

Hold dispense button for 45

but compressor not running

 

 

trol plate movesfreely

 

 

 

 

 

 

and evaporator water tube

trol box for loose connec

secongs

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Checkbin switch

for lime build up restriction.

tions.

 

Checkfor faulty dispense

 

 

 

 

 

Checkfor failed service

timer

 

Checkline voltage.

Checkthat water isturned on.

 

Checkto see if ice control plate

 

 

switch or relay.

 

 

Checkcompressor winding

Checkfor restriction in water line.

 

moves freely

 

 

 

Checkpower to machine.

 

 

& components.

Checkincoming water pressure

 

 

No

 

 

 

 

 

 

 

 

(minimum 10 lbs.).

 

Yes

No

Yes

 

 

 

 

 

 

Checkwater safety switch.

 

 

 

 

 

 

 

 

 

Evaporator water tube

 

 

 

 

 

 

 

 

 

 

 

may have an air bubble.

 

 

 

Clean all related

Refer to guide

CAUTION

CLEAN

 

 

 

 

Clear air bubble from

 

 

 

 

 

 

 

tube.

 

 

 

 

drain lines.

to Good Ice in

Clear ice from

see

 

 

 

 

 

High suction pressure

Low suction pressure

 

service manual.

evaporator and

instructions.

 

 

 

 

 

(30 lbs. or above).

(20 lbs. or below).

 

 

auger before re

 

 

 

 

 

 

 

 

setting over

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

load.

 

 

 

 

 

 

Head

TXV not

Suction line

TXV bulb

 

 

Reset

 

 

 

 

 

 

 

 

overload.

 

 

 

 

 

 

Pressure

operating

not

lost charge.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

high.

properly.

insulated.

 

 

 

 

 

 

 

 

 

 

Valve

Bulb

Bulb

Replace valve

 

 

 

 

Non-condensible

Too much

Condenser

Condenser

 

stuck

loose.

uninsulated.

 

 

 

 

 

evacuate and

 

Icemaker runs

Reset but

Will not

in system.

refrigerant in

fan not

dirty or

 

open.

 

 

recharge.

 

 

 

 

 

 

motor does

reset.

 

system.

running.

restricted.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

not run.

 

 

 

 

 

 

Replace

Clean

Clean and

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

valve.

and

insulate.

 

 

 

 

 

 

 

 

 

 

 

tighten.

 

 

IMPORTANT

Short run trips

Check

Overload

 

 

 

 

 

 

 

 

Icemaker runs when reset

again in 2 min

gearmotor

hot try

Evacuate and

Checkelectrical circuit

 

 

 

 

 

but problem hasnot been

utes. Checkgear

circuit.

again.

 

 

 

 

 

 

found.

motor circuit.

 

 

recharge system.

to fan motor.

 

 

 

 

 

 

Continue checking for

 

 

 

Clean condenser.

Checkfan motor.

 

 

 

 

 

 

overload asfollowsto

 

 

 

 

 

 

 

 

 

 

 

 

guard against future

 

 

 

 

 

 

 

 

 

 

 

 

problems

 

 

Will not

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

reset

 

 

 

 

 

 

 

 

 

 

 

 

replace

 

 

 

 

 

 

 

 

 

 

 

 

overload

 

 

Low on

Plugged

Restricted

Plugged or

Icemaker

 

 

 

 

 

 

 

 

refrigerant.

liquid line

liquid line.

faulty TXV.

froze up.

 

 

 

 

 

 

 

 

 

dryer.

 

 

 

 

 

 

 

 

 

 

 

Checkfor

Replace

Checkfor

Replace

Checkif

 

 

 

 

 

 

 

 

leaks.

dryer.

kinksor

valve.

auger is

 

OVERLOAD GUIDE

 

 

 

 

 

 

Evacuate

damage to

Evacuate

turning.

 

ELECTRICAL

 

 

 

 

 

 

and

liquid line.

and

 

 

High or low voltage weakpower linescan cause overloads on icemaker restarts

 

 

 

 

recharge

 

recharge

 

 

High running current. Checkmotor circuitsand start relay - Auger delay failed.

 

 

 

 

system.

 

system.

 

 

ICEMAKER

 

 

 

 

 

 

 

 

 

 

 

 

Mechanical partsworn. Scored evaporator or auger. Worn thrust bearing.

 

 

 

 

 

 

 

 

 

Ice maker not turning off. Failed ice level control.

 

 

 

 

 

 

 

 

No

 

Over compression. Low water inlet temperature. Restriction in water line from

 

 

 

 

 

 

 

 

 

reservoir.

 

 

 

 

 

 

 

 

 

 

 

 

REFRIGERANT

 

 

 

 

 

 

 

 

 

 

 

Contaminated charge or bad compressor.

 

 

 

 

 

 

 

 

 

 

 

Low charge or gasleak.

 

 

 

 

 

 

 

 

 

 

 

Low suction pressure. Improper expansion valve sensing bulb. Location or insulation

 

 

 

 

 

 

 

 

 

and/or defective expansion valve

 

 

 

 

 

 

 

Checkdrive on

Checkgearsin

Checkif extruding

 

 

 

 

 

 

 

 

 

gearmotor.

gearbox.

head is down in

 

 

 

 

 

 

 

 

 

 

 

 

evaporator tube.

 

 

 

 

 

Countertop Icemaker IMD Series Installation Manual

Image 23
Contents Countertop Icemaker IMI Cornelius Inc Countertop Icemaker IMD Series Installation ManualTable of Contents Safety Controls Guide to Good Ice CO2 Carbon Dioxide Warning Shipping and Storage SafetySafety Instructions Safety TipsRLA Specification ChartDimension Drawings 30 LBS. IMD 300-30 and IMD Installation Instructions Auger Engagement Initial Start UP, Checks & Adjustment InstructionsDrain Connection Publication Number 638085277INS 2004-2009, IMI Cornelius Inc Monthly Guide to ServiceIcemaker Cleaning and Sanitizing Procedures MaintenanceSEMI-ANNUALLY Upper Bearing and Auger AssemblyWater Level Control Adjustment and Troubleshooting Refrigeration System AdjustmentsCondenser Modulating Valve Removal Condenser Modulating ValveGear Motor Shaft Seal Installation and Replacement FigureUpper NUT and Bearings Installation and Shaft Seal Replacement FigureAuger & Extruding Head Removal Electrical Checkout Troubleshooting CompressorTo Replace Bearings Capacitor Check Troubleshooting Gear MotorsCompressor Check Figure Motor Check Safety Controls Check Icemaker Location Conditions First Guide to Good ICETroubleshooting Chart Icemaker not Operating IMD-15 Wiring Diagram Countertop Icemaker IMD Series Installation Manual Schematic IMD 302-30, IMD 602-30, and IMD IMI Cornelius Inc

IMD Series specifications

The Cornelius IMD (Intelligent Dispensing) Series represents a cutting-edge advancement in beverage dispensing technology, making it ideal for a wide array of establishments, including restaurants, cafeterias, and bars. This innovative series is designed to provide ultimate flexibility in drink variety while enhancing efficiency and reducing operational costs.

One of the standout features of the Cornelius IMD Series is its advanced touchscreen interface. This user-friendly screen allows operators to navigate through beverage selections easily. Customizable menus enable businesses to showcase their unique drink offerings prominently. The interface can also be programmed to highlight promotions or new items, ensuring customers are always informed about their options.

In addition to the intuitive interface, the Cornelius IMD Series employs state-of-the-art digital metering technology. This ensures precise control of beverage portions, drastically reducing waste and ensuring consistent drink quality. The technology also allows for real-time tracking of beverage usage, providing valuable insights into inventory management and helping operators understand consumer preferences.

Another important characteristic of the IMD Series is its modular design. This allows operators to configure the unit to suit their specific needs, accommodating everything from carbonated beverages to cold brew coffee and even specialty cocktails. The modular nature also means that upgrades and maintenance can be performed with minimal disruption, keeping downtime to a minimum.

The Cornelius IMD Series is built with energy-efficient components, which is increasingly important in today’s environmentally conscious market. Its design minimizes energy consumption without sacrificing performance, supporting the push for more sustainable business practices.

Furthermore, the IMD Series integrates seamlessly with various payment systems, including cashless options, making transactions smooth and efficient. This integration not only enhances the customer experience but also streamlines the payment process for operators, improving overall service speed.

In conclusion, the Cornelius IMD Series is a versatile beverage dispensing solution that combines innovation, efficiency, and user-friendly design. With its advanced touchscreen interface, precise digital metering, modular construction, energy-efficient operation, and payment integration capabilities, it is poised to revolutionize how beverages are dispensed in various settings, meeting the demands of modern consumers and businesses alike.