Faults
33
Operating Instructions - Dedy Chocolate Enrobing Machine 220 mm and 320 mm
8. Faults
8.1. Safety information relating to troubleshooting and fault recti
fi
cation
Troubleshooting and fault recti
fi
cation work on the machine may only be carried
out by specialists with the required quali
fi
cations and training. In order to perform
such work, the main switch
(Fig. 7; No. 12)
is switched off and measures put in
place to prevent it from being switched back on.
Malfunctions must be reported immediately on their discovery. The regulation
notices must be placed on the machine. Defects must be repaired immediately
in order to minimise the extent of the damage and to preserve the safety of the
machine. Failure to comply shall invalidate the warranty.
8.2. Malfunction causes and troubleshooting
The manufacturer’s expert staff can be contacted on the following telephone
number to answer your questions on fault recti
fi
cation and to make arrange-
ments in case of relatively extensive repair work:
Dedy GmbH tel.: 0049 (0)201 471031
The table below is a general guide to the most frequent malfunctions and how
to remedy them:
Malfunction
Cause
Remedy
Machine cannot be
switched on
EMERGENCY OFF switch
has been pressed
Turn the EMERGENCY OFF knob
(pull the knob on older models)
until the switch jumps to its
initial position and a yellow ring
is visible
One or more controls
on the control panel are
switched on
Set all the controls to “Off” or
“0” with the exception of the
main switch!
Power cut/disconnection
from mains supply
Set all switches to “0” (except
main switch and EMERGENCY
OFF switch) then press reset
button until the red light goes
out
Coating is not heating up/
is overheating
Heating unit defective
Replace heating unit
Thermostat defective
Replace thermostat
Heater fan defective
Replace heater fan
Semiconductor relay
defective
Replace semiconductor relay
Incorrect setting on safety
thermostats
Check for correct setting (80 to
110 °C) and adjust if necessary
Fault with mesh conveyor
Chocolate was solid when
the mesh conveyor started
Repair mesh conveyor
Foreign object in mesh
conveyor
Repair mesh conveyor
Fault with chocolate wheel
Motor defective
Replace motor
Power converter PCB
defective
Replace PCB
Wheel defective
Replace wheel
