ITV ICE MAKERS NG Series User Manual

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7 USER TROUBLESHOOTING GUIDE
7.1. GENERAL QUESTIONS
PROBLEM
POSSIBLE CAUSES
SOLUTION
None of the electrics work.
Front switch ON but pilot is
OFF
The machine is not plugged in.
Plug the machine and verify
socket power
None of the electrics work.
Front pilot is ON
Full bin status (LE4 on) with no ice.
Faulty or bad adjusted thermostat
Adjust / replace
PCB alarm.
Check led code
PCB alarms. See point 4.2
High pressure switch
Dirty condenser
Clean condenser
Defective fan
Check. Replace
Defective safety / cooling switch
Check. Replace
NTC probe error
Defective probe
Check. Replace
Defective probe plug connection
Check
Ice cycle timeout
No frozen evaporator
Check refrigeration system
NTC probe faulty contact
Check probe fitting
Harvest cycle timeout
Faulty hot gas valve/coil
Check. Replace
Harvest do not happen
Check water inlet strainer
Wrong cycle sequence
Dip-switch 2-4 OFF
Set ON
White and partially formed
cubes. Not uniform nozzles
spray
Dirty nozzles
Clean / replace
Dirty suction filter
Clean
Lack of water at cycle´s end
Check water leaks
Check water inlet strainer
No water at nozzles
No water input
Check supply and water valve
operation
Faulty pump
Check / replace
Overflow pipe out of place or leaking
Check tube and o-ring
Too large cubes
Freezing time too large
Adjust by dip-switches
Probe makes bad contact
Position well
Too small
cubes
Uniform
Freezing time too short
Adjust by dip-switches
Low refrigeration performance
Check refrigeration system
Not Uniform
Poor refrigerator performance
Not all cubes are released
Harvest time too short
Adjust by dip-switches
Freezing time too large (Ice slab)
Adjust by dip-switches
Faulty hot gas valve
Check / replace
Lack of water input
Check net pressure and input
filters
Faulty fan pressostat (non stop)
Check / replace
Low ice production
Blocked condenser or air access to
condenser
Clean condenser; improve air
circulation
Faulty hot gas valve, doesn’t close totaly.
Replace
Low performance refrigeration system
Check
All the electrics work except
compressor.
Faulty contact.
Check wiring.
Faulty relay .
Replace relay.
Faulty “Klixon”.
Replace Klixon.
Faulty compressor.
Replace compressor.
All the electrics work but the
compressor “klixons” (cycles
intermitenttly).
Voltage too low.
Check voltage.
Obstruction in air circulation.
Move machine to a correct
position.
Start / run capacitor faulty.
Replace condenser.
Cooling presostat faulty or wrongly
adjusted.
Replace or adjust presostat.

ITV ICE MAKERS NG Series Specifications

General

Brand	ITV ICE MAKERS
Model	NG Series
Category	Ice Maker
Language	English