EFFE4 B - EFFE6 B
EFFE4-6 B_EN - 2010/07 Ed. 05
- 33 -
8 TROUBLESHOOT GUIDE
TROUBLE CAUSE CURE
The scraper does not scrape along
the wall of the bowl
a) Blade not sharp.
b) Vane springs released.
c) Thermal exchange fluid ex-
hausted.
d) Thermostat set too low.
a) Substitute the small plate of the
spatula.
b) Replace them (this operation
must be carried out by a qualified
technician).
a) Substitute it (refer to section
7.1.1).
a) Set the digital thermostat between
-20°C and -22°C (refer to Ref. 4,
section 4.2).
During production, the ice cream
mixer tends to stop
a) Thermostat setting is too low.
b) Slipping of drive belts.
a) Set to values -22÷-24°C
a)Tighten the tensioning nut (this
operation must be carried out by a
qualified technician).
Smoke comes out from guard
a) Drive belts loose. a) Tension or replace them (this
operation must be carried out by a
qualified technician).
Compressor does not start
a) Coolant already cold. a) Compressor will start again when
the thermostat enables it.
The compressor starts and stops
repeatedly
a) Water flow through the condenser
not enough or condenser is dirty.
b) Water inlet pressure less than 1
bar.
c) Water inlet temperature more than
30°C.
d) Water supply hoses and/or water
outlet hoses twisted or folded.
e) Air flow insufficient or ambient
temperature too high.
a) Check water regulation in the con-
denser and make sure condenser
tubes are clean.
a) Increase the pressure.
a) Reduce the water temperature.
a) Eliminate curves and/or bends.
a) Check the fan and clean the bat-
tery of the condenser’s thermal
exchange.
Low efficiency, though
the compressor is running
continuously
a) Insufficient gas.
b) Thermal exchange fluid exhaust-
ed.
a) Check for gas leaks and refill.
a) Substitute it (refer to section
7.1.1).
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