Alliance Laundry Systems 1336 Service Manual Page 79

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F238006 79
Section 5 Service Procedures
To reduce the risk of electrical shock, fire, explosion, serious injury or death:
Disconnect electrical power to the washer-extractor before servicing it.
Close the gas shut-off valve to the washer-extractor (when applicable) before servicing it.
Never start the washer-extractor with any guards/panels removed.
Whenever ground wires are removed during servicing, these ground wires must be
reconnected to ensure that the washer-extractor is properly grounded.
W461R1
WARNING
© Copyright, Alliance Laundry Systems LLC – DO NOT COPY or TRANSMIT
g. Start the cycle and, when the high water level is
reached (and the external temperature sensor is
submerged), press the “Display Temperature”
key on the WE-6 keypad. Refer to Figure 11.
The display will show a temperature.
NOTE: Make sure that the external meter and the
WE-6 are both reading °F or °C. The WE-6 may be
prompted to display either °C or °F.
h. While pressing the “Display Temperature” key,
use a screwdriver to turn the temperature
calibration screw until the WE-6 displays the
same temperature as the external temperature
meter.
NOTE: Turning the screw clockwise increases the
displayed WE-6 temperature. Turning the screw
counterclockwise decreases the displayed WE-6
temperature.
i. When the temperatures match, calibration is
completed. Close the control compartment and
remove the external temperature sensor.
j. The temperature probe leads and the
temperature circuit wires in the control module
must form twisted pairs to minimize
interference from the A.C. drive during motor
acceleration and deceleration. Twist the wire
pairs together if this has not been done.
k. Reinstall the computer board cover (refer to
Step c) and the module top cover (refer to Step
b).
* As an alternative, if you cannot put the external
sensor in the machine as described, take a sample
of the fill water entering the machine and record
the temperature using an accurate sensor. Then fill
the machine using the same fill source and follow
Step g.
Figure 11
Temperature Calibration
WE-6 KEY PAD
DISPLAY
TEMPERATURE KEY
WE-6 COMPUTER
BOARD
P135D
U2
8
T
1
5
1
2
U
2
7
T
1
5
1
2
U
2
4
8
0
C3
1
U
2
3
7
4
H
C
1
0
U
2
0
7
4
H
C
3
7
3
U
1
9
7
4
H
C
2
5
9
U
1
8
7
4
H
C
2
5
9
U
1
7
7
4
HC
3
7
3
U
8
U
7
U
1
0
2
7
C6
4
U
1
1
2
8
C
6
4
1
0
U
1
5
74HC273
U
1
UDN2981
U
2
UDN2981
U
1
4
ULN2803
U
5
ULN2803
U
3
ULN2803
U
4
7
4
H
C
3
7
3
U
9
7
4
HC
3
7
3
U
1
3
7
4
H
C
3
7
3
U
1
6
7
4
H
C
3
7
3
U
1
2
U
L
N
2
8
0
3
B
1
U2
6
5
5
5
U24
80C31
U26
555
TEMPERATURE
CALIBRATION SCREW
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