Water Valve Service; Ice Maker Troubleshooting Chart; Orifice - Norcold N109X Series Service Manual

Ice Maker troubleshooting Chart

Problem
No ice in mold/
no ice yield.
Not cycling,
ice in mold.
water
dripping from
mold/mold
overflowing.
Not cycling,
ac power
available.

water Valve Service

The water valve inlet strainer should be checked
annually for scale and sediment deposits. The inlet
connection internal components should only be checked
when the mold overfills. To access the strainer and the
components housed in the inlet fitting (see Figure 49):
1. Shut off the water supply to the ice maker.
2. Disconnect the inlet fitting adapter from the water
valve inlet.
3. Check strainer position. If the strainer is seated
approximately 1/8 inch in the fitting, the orifice
seat, orifice, diffuser plate and strainer are in their
correct position. A creased strainer end usually
indicates that the diffuser plate, orifice, and
orifice seat are not in their correct position. These
components should be repositioned as shown in
Figure 49. To reposition components correctly:
a. Press the orifice seat fully against the valve
support, then seat the orifice firmly into the
orifice seat.
b. Seat the diffuser plate firmly against the orifice.
c. Seat the strainer firmly against the orifice plate.
d. Reconnect the inlet fitting adapter to the water
valve.
52
N109X Models
Probable Causes
A. No ac power to ice maker
B. No water available to water valve.
C. Clogged water valve strainer.
D. Water valve solenoid faulty.
A. No ac power to ice maker.
B. Ice maker OFF.
C. Mold overfilled.
D. Water valve washer seal damaged.
A. Water fill adjustment screw set
incorrectly.
B. Water valve washer seal damaged.
A. Mold heater failed open.
B. Motor faulty.
C. Mold thermostat faulty.
D. Wire harness thermal fuse open.
Remedy
A. Check ac power supply.
B. Check water supply to valve.
C. Clean water valve strainer.
D. Test water valve. See page 53.
A. Check ac power supply.
B. Lower shutoff arm to ON position.
C. Check position of water valve orifice.
Reposition components. See Figure 49.
D. Replace water valve.
A. Readjust water adjustment screw. See
page 54.
B. Replace water valve. See page 50.
A. Check motor continuity. See page 55.
B. Check motor continuity. See page 55.
C. Replace ice maker. See page 52.
D. Check continuity of black wire harness wire.
Washer seal
figure 49. Solenoid water valve components
Orifice Seat

Orifice

Strainer
Refrigerator Service Manual