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Troubleshooting
Unit Will Not Run - Steps: 100-120 VAC NA Units
STEP 1:
110-120 AC
Plug power cord in
and turn switch ON.
V
Connect wires to
control board and
-
ON/OFF switch. Turn
meter to AC volts.
Black
On/Off
Switch
Black
Control
Board
Power Cord
Thermal
Switch
Motor
Motor
Leads
Motor
Sensor
Leads
Green/Ground
26
110-120 AC
V
-
On/Off
Switch
Black
White
Power Cord
Digital Display
Control
Board
Black
Green/Ground
STEP 2:
Plug power cord in
and turn switch ON.
Connect wires to
control board and
ON/OFF switch. Turn
meter to AC volts.
Black
White
Control
Board
Potentiometer
Pressure
Transducer
Black
Prime/Fill Tool
Reed switch
White
STEP 3:
100k ohm
Check motor thermistor.
Unplug yellow wires. Meter
should read 6.2k ohms.
NOTE: Motor should be cool
-
during reading.
Thermal
Switch
Yellow
Motor
Control
Board
STEP 4:
Plug power cord in and
turn switch ON. Disconnect
potentiometer. Use
nonmagnetic screwdriver
to short pins.
Control
Board
20A/15A
Switch
ti14889a
Black
3A0245A
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