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Slush Machine Maintenance

Slush machine and slush syrup suppliers by SlushCo and Denby Dale Coffee. We only supply premium slush machines and slush ‘puppy’ machines with full onsite parts and labour warranty. We do not sell cheap imported slush machines from the far east as in our experience, although they can cost a few hundred pounds less, we believe it’s a false economy buying sub standard equipment that have a good chance of breaking after only a few months leaving the buyer struggling to source parts not to mention an engineer who is able to repair said slush machine(s). Ultimately, the buyer learns an expensive lesson and has to then purchase a replacement slush machine.. this is where we come in..

Our slush machines are premium brands, Ugolini and Sencotel and thus come with 12 months parts warranty (5 & 6Ltr machines) and 12 Months parts and labour warranty (10 & 12Ltr machines)*. Please read our warranty conditions at the foot of this page for full details.

It’s important to keep your slush machine in a clean and hygienic condition. We have detailed below a guide on how to clean your slush machine, regardless of the manufacturer.

Full clean/sanitising slush machines should be carried out every 2 weeks (or every 500 drinks). Here’s a guide of how to do this:

1. Turn the slush machine off.
2. Drain any remaining slush.
3. Fill the slush machine tanks with luke warm water and a mild detergent.
4. After 10 minutes draw off and discard the water.
5. Remove the slush tank lids and wipe clean. Do not immerse in water.
6. Remove the slush tanks by carefully lifting the front then sliding forwards.
7. Once the tank has been removed, slide off the mixing spindle from the freezing cylinders.
8. Remove the large “O” ring at the rear of the barrel and soft seal on the drive shaft.
9.With mild detergent and warm water, wipe all the machine surfaces down.
10.Remove the dispensing tap parts by pulling out the locking pin & remove the “O” ring /plunger and/or seal from the draw valve.
11.Wash all parts with clean warm water and mild detergent, rinse and allow to dry.

 

Re-assembling your slush machine

1. Lubricate the rear O ring, seals and tap plunger with food safe petroleum grease.
2. Replace the slush tap handle by reasemmbling the tap locking pin.
3. Lubricate the inside of the soft seal and replace on the machines drive shaft.
4. Replace the large O ring seal on the rear of the cooling cylinder.
5. Lubricate the bush located in the front of the bowl and the outside silicon seal of drive-shaft.
6. Repace the mixing spindle by sliding back into place on the freezing cylinder.
7. Replace the slush tank and align it with the large O ring to the rear of the frezing cylinder.
8  Align the agitator with the silver bushing in the front of the bowl by lifting the agitator while sliding the bowl into position.
9. Make sure the slush tank is correctly positioned with the slot in the front side of the tanks base and locked over the edge.
10. Fill the machine with sanitising solution and let sit for ten minutes
11. Drain then rinse.
12. Your slush machine is now ready.

* Warranty exclusions

1. Wear & tear items such as seals and plastic replacement parts e.g. handles.
2. Breakages due to heavy handed use or miss use. You must not wash your tanks in a dishwasher.
3. Machine issues caused by failure to leave sufficient airflow space at either side of the slush machine.
4. Poor maintenance and lack of cleaning.
5. Sub standard product usage**

** Our slush machines are premium in build and material quality and on average should last 2 or 3 times longer than ‘budget’ slush machines. We strongly urge you to use a premium slush syrup in our machines. As a business we don’t insist you have to purchase our slush syrup, we believe it’s an outdated way to conduct business and can only benefit the supplier, not the customer. However, we do recommend that good quality syrups are used to protect your investment. Quite simply this means avoiding using ‘cheap’ syrups, and there are plenty around – as indeed there are many good quality syrups available. These substandard syrups are easier to identify than you may think. Some companies often demonstrate pride describing themselves as ‘cheap’ and their products as ‘cheap’ and whilst we understand that saving a few pounds may be tempting, thus reducing your slush syrup costs from 6p to 5p (per average serving) but considering your margin should be anywhere between 50p – 90p and beyond per slush drink, that penny saving really should be put into perspective. One of the most costly ingredients in slush syrup is sugar and sugar pricing has doubled in recent times. Sugar acts as the antifreeze ensuring the slush syrup, when mixed correctly with water, is frozen to the correct consistancy which ensures the blades, freezing system and motors are not put under any duress. Your warranty will not cover any damage caused by using inferior ‘cheap’ slush syrup.

 

Issue Possible Causes Remedy
Slush machine failing to freeze

1) Compressor issue
2) Refrigerant leaking
3) Micro-switch damage
4) Electro valves damage
5) Main power switch for freezing damaged
6) Clogged condenser
7) Fan motor worn
8) Insufficient airflow

 

See compressor section below
Repair required
Replace micro-switch
Replace electro valve
Replace with new power switch
Clean out condenser
Replace of fan motor
Remove any obstructions from around machine to allow airflow
Gear motor constantly ‘clicking’

1) Slush syrup and water mix ratio incorrect
2) Spindle mixer not correctly turning – Bent blade

 

Drain tanks and ensure syrup to water ratio mix is correctReplace spindle blade if required
Slush machine not cooling in ‘Night’ mode

1) Compressor fails to start
2) Refrigerant leak
3) Electro-valves are damaged
4) Main power switch for freezing damaged

 

See compressor section below
Trace refrigerant leak and repair
Replace with new electro-valves

 Replace with new main power switch

Slush mix in one bowl not cooling in ‘Night’ mode

1) Thermostat is damaged
2) Electro-valve is damaged
3) Power switch to individual bowl is damaged
4) Obstructed tube
5) Filter blocked up

Replace with new thermostat
Replace with new electro-valve
Replace with new individual bowl power switch
Cut tube and remove obstruction
Replace with new filter

Bowl cover light not operating 1) Lamp is damaged
2) Bowl cover electrical cord to cover is damaged
3) Transformer is damages
4) Lamp switch is damaged
Replace with new lamp
Replace with new electrical cord
Replace with new transformer
Replace with new lamp switch
Agitator motor not working 1) Motor gears are damaged
2) Motor has failed
3) Bowl cover electrical cord to cover is damaged
4) Transformer is damaged
5) Motor fan is obstructed
Replace with new motor
Replace with new motor
Replace with new electrical cord
Replace with new transformer
Inspect fan for obstruction and clear if necessary
Slush machine motor gear not working correctly 1) Gears are damaged
2) Motor has failed
3) Individual bowl agitator switch is damaged
4) Mains power cable is damaged
5) Motor fan is obstructed
Replace with new motor
Replace with new motor
Replace with new bowl agitator switch
Replace with new mains power cable
Inspect fan for obstruction and clear if necessar
Evaporator tube leaks 1) Worn spiral blade seal
2) Evaporator bush is damaged
Replace with new spiral blade seal
Replace with new evaporator bush
Slush machine has no power 1) Electrical plug not inserted into power outlet
2) Machine has no power
3) Mains power cable is damaged
4) Fuse in electrical plug activated
5) Main power switch damaged
Insert electrical plug into power outlet
Switch on machine’s main power switch
Replace with new mains power cable
Replace with new fuse
Replace with new main power switch
Compressor does not start 1) Main freeze/refrigeration switch is damaged
2) Starter is damaged
3) Compressor relay is damaged
4) Compressor protector is damaged
5) Compressor motor is damaged
Replace with new freeze/refrigeration switch
Replace with new starter
Replace with new compressor relay
Replace with new compressor protector
Replace with new compressor motor

Tank overfreeing, layer of ice         Too much syrup in ratio mix          Enure correct ratio, add more water

 

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Need Help? Call a specialist on 08000 141818 or 01484 662084

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