Alliance Laundry Systems 70400401r2 Benutzerhandbuch

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70400401

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The rotation sensor must “read” the key on the basket 
shaft or pulley. The sensor must be set approximately 
1/4 inch from the key or pulley. Look for the light on 
the sensor to come on as the key passes on the sensor; 
this is a correctly operating sensor. If no light appears, 
either the sensor is out of range or the key/pulley or the 
sensor is bad. In addition, if the light stays on 
continuously, then the sensor is too close to the 
component or the sensor is bad. 

At the end of the cool down cycle, the tumbler will 
stop and display “END.” The DMP control will 
automatically rotate the basket for 5 seconds every 
2 minutes for a total of 20 minutes, until some 
function of the tumbler is activated/deactivated by the 
user. 

1. “dor” indicates that the loading or lint door is 

open.

2. Cycle the tumbler to check if the buzzer activates.

3. “P-F” indicates that the thermistor is short 

circuited or open circuited. 

4. “bbt” indicates a broken belt condition or a faulty 

rotation sensor. (Only available on tumblers with 
the rotation sensor.) 

5. Hold the START button to display the drum 

RPMs; the display will read “r##” where ## are 
the RPMs. (Only available on tumblers with the 
rotation sensor.) 

After 24 VAC is applied to the ignition control pins 
24V and GND, the Diagnostic LED on the ignition 
control will turn orange/yellow. If a fault is detected 
the ignition control will enter Lockout Mode. If no 
faults are detected, the Diagnostic LED will turn 
Green and the ignition control will enter Standby 
Mode.

While in Standby Mode, the ignition control will 
continually monitor the system for faults. Once 
24VAC

 

is applied to terminals TH and GND on the 

control, the ignition control will enter Start Up Mode.

During Start Up Mode, the ignition control will 
monitor the system for faults and begin the ignition 
sequence. If no faults are present, the ignition control 
will begin the ignition sequence by entering an 18 
second waiting period. During this time the Green 
LED on the ignition control will switch between Red 
and Green, before maintaining a Green color.

After the waiting period, the ignition control will turn 
on the igniter and gas valve. The igniter will remain on 
until a flame is sensed, or up to 10 seconds. 

Once a flame has been sensed the ignition control will 
stop sparking, the gas valve will remain on and 
ignition control will enter Run Mode.

If a flame is not sensed, the ignition control will then 
begin two additional retrials for ignition. The ignition 
control will re-enter the 18 seconds waiting period 
before the ignition control makes another attempt at 
ignition. If the three attempts at ignition fail, the 
ignition control will enter Lockout Mode.

While in Run Mode the ignition control leaves the gas 
valve on, monitors the flame signal, and leaves the 
igniter off. 

If a flame signal is lost during Run Mode, one 
additional retrial for ignition will take place within one 
second. The ignition control will restore the spark for 
approximately 10 seconds. If the ignition re-attempt 
fails, the ignition control will enter Lockout Mode.

The ignition control will remain in Run Mode until 
24VAC is removed from terminals TH and GND on 
the control.