89
SERVICE
Ml/Sec D/C Voltage
30 10.2
40 14.6
50 21.0
60 24.0
REAR PANEL
Step 11: Next, check water pump control/signal
(PWM) at J13 connector on the Input/Out
board.
Step 12: Set voltmeter on D/C voltage. Install red
meter lead on terminal J13-10 (+) GRN
wire terminal and black meter lead on
J13-11 (-) BLK wire terminal.
Enter Service Technician Mode and Select
Service icon
Step 13: Select and enter the Water System tab.
Step 14: Touch the Water Pump button to activate the
water pump. The voltage reading will range
between 0.00 to 24.0VDC indirectly related
to the Water Pump Rate (ml/sec) slider bar
setting.
Water Pump Rate - Slider Bar
Step 15: Voltage present and no water pressure or
water pump speed increase - Replace water pump.
PART RELATES TO THE FOLLOWING SYMPTOMS
• Brew starts and then aborts/cancels
• Active Notice - E-046: Water Pump Stalled
13
14
15
14
15
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