Part 6:
SERVICE TROUBLESHOOTING
6.2.1 Timing Chart (Model UH-200B, UH-200)
Figure 6.2.1
Timing Chart (UH-200B, UH-200)
0
10
20
30
40
50
FILL CYCLE
Fill/Rinse Valve
Fixed Time
Adjustable Time
AUTO-SHUTDOWN CYCLE
Drain Valve/Drain Pump
Rinse/Fill Valve
0
10
20
30
40
50
60
70
80
90
0
10
20
30
40
50
60
70
80
90
0
10
20
30
40
50
60
70
80
90
0
10
20
30
40
50
60
70
80
90
0
10
20
30
40
50
60
70
80
90
0
10
20
30
40
50
60
70
80
90
WASH CYCLE
Wash Pump
Drain Valve/Drain Pump
Fill/Rinse Valve
Detergent Pump
Rinse aid Pump
Dishwasher
fills until water level reaches
middle probe of water level probe assy
(Flow pressure must be Min./Max.:
20-22 PSI [138-151 kPa])
0
10
20
30
40
50
60
70
80
90
Note 1
Note 2
Machine drains until water level
drops below the bottom (LOW)
water level sensor probe
Note 1:
Final Rinse for 11 secs.
after water level drops
below the bottom (LOW)
water level sensor probe
Note 2:
20 sec.
60 sec.
60 sec.
11 sec.
10 sec.
Solid state timer control
prevents the rinse aid pump
from running after the
fill/rinse valve closes.
Note 4:
Solid state timer control
prevents detergent pump
from running longer than
time required to fill/refill
wash tank.
Note 3:
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