Repairs of electrical parts and refrigeraion circuit
Trouble shooting
only by qualified technician
Malfunction
Cause
Remedial Action
Water - Leakage
Hose connections loose
fasten, insert new seals or replace
Water runs into machine
or defective
or onto floor
Water leaks from freezing cylinder
Water seals or lower bearing
replace
in cylinder defective
Water pressurestat
No water in water chamber
Check water supply
or water level control
Water pressure: min. 2 bar - max 4 bar
has switched off
Clean water filter and float valve.
o
Control lamp shows red
Check water solenoid valve.
Machine does not work
General electric faults
*
No current
Check connection and fuses
*
Fuses blow up
Check
*
Intermittent contact
Check electrical connections,
also in control panel
*
Water pressurestat or
readjust or replace
*
Water level control defective
readjust or replace
*
Ice jam switch has cut - off
eliminate cause, reset switch,
manual reset of machine
*
Light barrier does not work
check, see page 6
*
Voltage too low or too high
Voltage as per type plate: max. + 5%
min. - 10 %
*
Exchange or failure of phases
Connect phases in correct order
Overload cut-out
Motor overload caused by
has switched off
o
Control lamp shows red
* gear box motor defective
check / replace
* gear box defective
check / replace
* cylinder bearing damaged
check / replace
* freezing unit tends to freeze up
see "machine freezes up"
* auger calcified
see "cleaning of freezing unit" (page 8)
* compressor motor overloaded
check / replace
(see also page 3 point 6)
5
