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CHAPTER 11 TROUBLESHOOT GUIDE
PROBLEM
POSSIBLE CAUSE
REMEDY
The machine does not start
Main switch is OFF.
Turn main switch ON.
Fuse broken
Check and solve the possible reason, replace
Compressor starts but stops after a few
seconds. (water-cooled machine)
Water not circulating. - Tap closed.
Open tap.
Flexible hose bent or squashed.
Replace hose - Eliminate the problem.
Water pressure too low.
Check tubing and mains pressure.
Condenser clogged with deposits.
Clean chemically.
Compressor starts but stops after a few
seconds. (air-cooled machine)
Condenser unit too close to wall.
Keep machine back at least 50 cm from the wall.
Condenser dirty.
Remove dust, dirt, etc.
Condenser fan motor inoperative.
Replace motor.
The MIX TEMPERATURE will not rise
during pasteurizing. (PASTEURIZING)
Heating unit relay fault.
Replace.
Heating unit fault.
Replace.
The temperature changes slowly than
usual on the screen when working, and
no turning appears in the mixer
tank.(PASTEURIZING)
Mixer not fitted onto the beater.
Fit it.
Beat motor fault.
Replace.
"Alarm, Motor fault"
Product overloading.
Reduce load.
Value of motor thermal switch is low.
Set it to be higher.
"Alarm, Compressor"
Too much refrigerant gas.
Reduce to correct amount.
Thermostatic valve not set right.
Correct valve setting.
Condenser clogged with deposits.
Clean chemically.
Thermal switches worn or not set
right.
Check contact points.
The temperature drops too slowly than
usual when freezing or whipping time
too long. (FREEZING)
Poor refrigeration. - Gas leak.
Fix leak point(s) and refill.
Insufficient condensation due to
water not Circulating(Tap closed or
pressure too low.)
Open tap or check inlet pressure.
Filters dirty.
Clean filters.
Flexible hose bent or squashed.
Replace hose - Eliminate the problem.
Product overloading.
Reduce load.
Mixture not well balanced.
Reduce sugars and fats.
Screen says
“DOOR IS OPEN” after
power on and machine doesn‟t work.
Door opens.
Close the door and latch tight.
Door sensor error.
Correct the sensor-couple position or replace.
Heavy ice appears on the cylinder
surface.
Worn out or broken scraping blades.
Replace blades
Worn out or broken belts.
Replace belts.
Noise
Cooling fan loose
Check the screw and make sure they are tight.
Machine not properly installed
Properly install machine.
Other stuff comes into the machine
Take out the stuff
TM