Smach EFE 4000, Service Manual

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8
6.TROUBLESHOOTING
6.1. General
Troubleshooting
Problem CAUSE Solution
1 Machine does not run
Burnt Fuse Check&Replace.
Machine Unplugged Check&Plug the Machine
Selector mode is wrong
Set the selector one of the soft-medium-hard
modes
2
Compressor starts then stops
after few seconds without
Air Not circulating Clereances should be 50 cm.
3
Machine fails to Cut-off when
running on ice cream
modes(soft-medium-hard)
Air circulation restricted Clereances should be 50 cm.
Too much air in cylinder Open tap&take off 1/2 litre of ice cream
No mix in Hopper(tank)or
just froth
Pour fresh mix
4
Machine works but no ice
cream comes out of tap
Frozen water in
spigot(piston) All to thaw and take out 1 lt of mix/ice cream
before starting
No enough sugar in mix Replace with proper mix
5
Machine runs but ice cream
is too soft
Too much sugar in mix Replace with proper mix
Machine remained idle
without dispensing ice cream Take out ice cream untill fresh mix is filled in
cylinder
Ice cream dispensed is too
fast Do not exceed the production shown in the
capacity
6
Mix or ice cream comes out
from below or above the
closed tap/piston Piston o-ring missing Putt the o-ring on piston
Piston with ruined o-ring Replace the o-ring with a new one
7 Mix comes from union drain
Beater seal missing Put the beater seal
Beater seal ruined Replace the beater seal
8
Ice cream does not come out
of central tap
Cylinder(s) empty Add fresh mix
Too much air in cylinder(s) Add fresh mix
Ice cream frozen
Run the machine on cleaning mode so that
frozen ice cream will be melt
9
Ice cream comes out from
front lid/spigot
O-ring missing or not placed
properly
Place O-ring properly
Front knobs not tightened
properly/evenly
Tighten knobs evenlyand properly
10
Ice cream not increased
much in volume(overrun)
O-rings leaking
Check and Replace, if necessary O Rings of
Pipe
Tighten knobs evenly
Improper mix Refill with proper mix(Proper fat&sugar)
Mix contain hard pieces/nuts Take out the mix, filter&pour in.