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Troubleshooting
28 3A0245B
Unit Will Not Run - Steps: 220-240 VAC Units
Digital Display
Control
Board
Thermal
Switch
Motor
Leads
Potentiometer
Pressure
Transducer
Black
Blue
Brown +
Green/Ground
Black
Motor
Blue
Blue
Brown
Motor
Sensor
Leads
Prime/Fill Tool
Reed switch
ti15685a
-
100k ohm
+
-
V
-
220-240 VAC
V
-
220-240 VAC
STEP 1:
Plug power cord in
and turn switch ON.
Connect wires to
ON/OFF switch. Turn
meter to AC volts.
STEP 2:
Plug power cord in
and turn switch ON.
Connect wires to
ON/OFF switch. Turn
meter to AC volts.
STEP 3:
Check motor thermistor.
Unplug yellow wires. Meter
should read 6.2k ohms.
NOTE: Motor should be cool
during reading.
STEP 4:
Plug power cord in and
turn switch ON. Disconnect
potentiometer. Use
nonmagnetic screwdriver
to short pins.
Black
Blue
Black
Yellow
On/Off
Switch
Control
Board
On/Off
Switch
White
Thermal
Switch
Motor
Black
Control
Board
Brown
Blue
Brown
Blue
Brown
White
Blue
Brown