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70
Refrigerator Service ManualN6XX/N8XX Models
Mold Heater Resistance Check
Unplug the ice maker AC power cord before taking any
resistance readings on the ice maker.
To contact test points L and H, the test probes must
be at least 1/2 inch long. Connect the multimeter's
probes as shown in Figure 56.
n Resistance values: 71 to 79 Ω.
n Replace the ice maker if the mold heater
resistance is not within 71 and 79 Ω.
Checking Voltage at Motor Terminals
Make sure AC power is available to the ice maker
before taking voltage readings across test points N
and M.
To contact test points N and M, the test probes must
be at least 1/2 inch long. Figure 57 shows the
multimeter connections to points N and M to measure
voltage. The voltage across points L and M should be
108 to 132 Vac. If no voltage is detected, make sure
replace the ice maker.
Winterizing the Ice Maker Water
To winterize the ice maker:
1. Shut off the RV water supply to the ice maker.
2. Lower the ice maker shut-off arm to the off position.
3. Disconnect the garden hose adapter from the water
valve.
4. Disconnect the ice maker water supply line from the
water valve. Do not unwrap the water line heater wire
from the water valve outlet connection.
5. Allow the water to drain from the RV water supply line
and the ice maker water line.
6. Protect connections by bagging and taping RV water
supply connection, the ice maker water line connection,
and the water valve connections
.
Figure 57. Checking voltage to motor across test
points N and M.
Figure 56. Measuring mold heater
resistance across test points L
and H.
D
O
N
O
T
R
O
T
A
T
E
M
A
N
U
A
L
L
Y
V
L
T
H
M
N
DISCONNECT POWER
TO REMOVE MODULE
U
R
185W-115V-60 HZ
IM # S 106 626649
11 MAY 00
WB1
Shut-Off Arm
(ON position)
MIN MAX RANGE HOLD
H
HzREL
mA
A
mV
V
V
OFF
!
!
A
COM
V
mA µA
1000V MAX
400mA MAX
FUSED
10A MAX
FUSED
PEAK MIN MAX
µA
CAT II
4 1/2 DIGITS
1 Seconds
87
TRUE RMS MULTIMETER
III
D
O
N
O
T
R
O
T
A
T
E
M
A
N
U
A
L
L
Y
V
L
T
H
M
N
DISCONNECT POWER
TO REMOVE MODULE
U
R
185W-115V-60 HZ
IM # S 106 626649
11 MAY 00
WB1
Shut-Off Arm
(ON position)
MIN MAX RANGE HOLD
H
HzREL
mA
A
mV
V
V
OFF
!
!
A
COM
V
mA µA
1000V MAX
400mA MAX
FUSED
10A MAX
FUSED
PEAK MIN MAX
µA
CAT II
4 1/2 DIGITS
1 Seconds
87
TRUE RMS MULTIMETER
III
V
V