29
A) Faulty hot gas valve or wrongly
connected.
A) Verify and change if necessary.
B) Low water pressure.
B) Increase water pressure if possible.
(This can often be done by
removing flowmeter on faucet).
C) Fan pressostat or condensation
pressostat too low or faulty.
C) Adjust or replace.
D) Faulty condensation water inlet
valve (water cooled machines
without pressostatic)
D) Check and replace.
E) Faulty water pressostatic valve or
too open (water cooled machines
with this valve)
E) Adjust, repair or replace.
F) Room or water temperature below
7ºC.
F) Increase the defrost time.
G) Faulty timer or micros.
G) Check and replace if necessary.
H) Production time too long. The
cubes have flash outside the
mold.
H) Adjust by reducing time to the cycle
thermostat.
5) Ice cubes form correctly but
do not unstick.
I) Dirty water inlet filters.
I) Clean filters.
A) Blocked condenser or air access to
condenser.
A) Clean condenser; improve air
circulation by lifting machine from
floor and moving away from walls
and hot air sources .
B) In water-cooled machines:dirty
condenser, badly adjusted valve,
pressostat, faulty water inlet valve
or faulty pressostatic valve.
B) Clean condenser; check, adjust or
replace.
C) Faulty hot gas valve, doesn’t close
totaly.
C) Replace.
D) Faulty fan or pressostat, faulty
inlet cooling water valve.
D) Check fan and re-adjust pressostat
or replace.
E) Refrigerant charge too high or too
low.
E) Adjust.
F) Faulty water inlet valve: leaks and
does not close fully.
F) Check and replace.
6) Low ice production.
G) Inefficient compressor.
G) Replace.
A) Start of cycle thermostat adjusted
too low or faulty.
A) Adjust and/or replace.
B) Timer wheels do not run.
B) Tighten screws on timer.
C) Faulty timer motor.
C) Check and replace.
7) Ice cube are so large that
they stick together and form a
plate of ice
D) Faulty micros on timer or wrongly
connected.
D) Verify connections and/or change.
8) Ice cubes are too large.
A) Cycle thermostat adjusted too
high.
A) Adjust thermostat.
A) Cycle thermostat adjusted too
low.
A) Adjust thermostat.
9) Ice cubes are not completely
finished.
B) Low refrigerant charge.
B) Add refrigerant until there is frost
formation
5
cm
from
the
compressor at the end of the cycle.
A) Insufficient water in water pan;
unprimed pump.
A) Eliminate water leak.
B) Obstructed spray nozzles.
B) Clean nozzles.
10) Ice cubes are empty, rough
edges and very white.
C) The curtain strips does not fully
close and lose water.
C) Adjust the curtain strips or clean
the axle (it may has calcareous
impurities that avoid a smooth turn
of the strips).
11) Machine doesn’t stop even
when bin is full.
A) Faulty bin thermostat or wrongly
adjusted.
A) Adjust and/or replace.
12) Ice cubes melt in bin.
A) Obstruction in drains (inside the
machine or in premises).
A) Unblock.
Summary of Contents for ICE CUBES MAKERS Series
Page 1: ...ICE CUBES MAKERS Range SPRAY Technology ...
Page 8: ...8 ...
Page 9: ...9 SPECIFICATIONS Models NDP 20 NG DP 30 150 ...