Marco FRIIA 1000860 Series, Service Manual

Page: 31 / 46

7. TROUBLESHOOTING - DIAGNOSTIC GUIDE:
FRIIA Service manual Page 31
ISSUE PROBABLE CAUSE SOLUTION
The compressor will
not start
Power failure Check that there is voltage in the plug
Thermostat in the off position, or set to the minimum Check wirings and adjust the thermostat position
Faulty thermostat Check wirings replace the thermostat
The over-load protection of the compressor is faulty Wait for compressor cool down and replace it
The starting relay is faulty Check wiring replace the faulty component
The starting capacitor is faulty Check wiring replace the faulty component
The compressor is faulty Check wiring replace the faulty component
The water is cold but
the appliance is operating
excessively or
non-stop
Poor ventilation Place the appliance away from the wall
The condenser is dirty or covered Clean the condenser or free it from obstructions
The thermostat is on maximum cold position Adjust thermostat knob in the middle rotational range
Ambient temperature is higher than 32°C It is normal that the appliance works at a continuously high
room temperature
The compressor
works continuously,
but the water is not
cold
Gas leak from the cooling system Contact a specialized technician (refrigerator repairman) or
Marco Beverage Systems
The compressor is faulty Check wirings and voltage on compressor terminals and
replace the faulty component if needed.
Too much noise coming
from the equipment,
but it is working normally
The machine is not perfectly horizontal Level the appliance using the adjustable feet
Hoses and wirings are in contact with housing some parts inside
the equipment and generate noise and vibrations. Check and reposition hoses and wirings, making sure they do
not touch any other parts.
Cold water comes out
slowly or not at all
Water inlet supply shutoff valve closed or faulty electrovalves
closed, water filter fouled/clogged. Open water inlet supply line shutoff valve, check electrovalves
and anti-flooding device replace electrovalves ; replace filter
or cartridge.
Low pressure of the inlet net water Take steps to increase the net pressure (e.g. booster pump)
The thermostat is out of tolerance range or defective. Waiting for ice melting down. Replace Alublock thermostat.