IceTech FDHD Series, Руководство по обслуживанию

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SERVICE MANUAL
39
9 USER TROUBLESHOOTING GUIDE
9.1.- UNDERCOUNTER MODELS
PROBLEM PROBABLE CAUSE SOLUTION
None of the electrical parts work.
Front switch on but pilot is off
The machine is unplugged. Plug in the machine and verify socket power
Front pilot on but none is working Curtain not proplyl closed Check curtain free movement and closed position
PCB alarm Switch unit off-on. If continues see PCB alarms diagnosis
in this table
No water in tray Not incoming water Check water supply
Inlet strain at water valve blocked Check and clean
Not enough water time Increase water time. dip 5-7 (table xx)
Ice slab empty or too thick Desadjusted cycle time Adjust cycle timer dip 1-4 (table xx)
Desajusted cycle cut temperature Tc Adjust dip 8 (ver punto xx)
TXV bulb faulty contact check
Difficult to release ice slab at
harvest Unit bad leveled (tilted to back) Level; down front
Dirty or scaled evaporator Perform descaling procedure
Not enough water time Increase water time. dip 5-7 (table xx)
Not uniform flow pattern at
evaporator Dirty or scaled distributor Perform descaling procedure.
Remove and clean distributor (pull from two clips at
distributor sides)
PCB alarms. See point 4.1
High pressure switch Dirty condenser Clean condenser
Defective fan Check. Replace
Defective pressure switch Check. Replace
NTC probe error Defective probe Check. Replace
Defective probe plug connection Check
Ice cycle timeout No frozen evaporator Check compressor and refrigeration system
NTC probe faulty contact Check probe fitting and insulation
Harvest cycle timeout Ice slab not released Faulty hot gas valve
Bad leveled unit. check
water time too short. Increase
No ice on evaporator No water in tray.
- check water supply
- check water valve and strainer
- check water leaks
Faulty pump. Verify
Faulty curtain sensor Check sensor and wiring
For further problems call aftersales service