Troubleshooting
110-120 AC
V
-
+
N
L
White
Bl
a
ck
-
+
Power
Cord
Control
Bo
a
rd
Step 1:
Plug Power cord in
a
nd turn
switch ON. Connect probes
to L
a
nd N on control bo
a
rd.
Turn meter to AC Volts.
Black
110-120 AC
V
-
-
+
Black
J11
J8
J7
N
L
C15
White
Control
Board
Step 2:
Plug power cord in
a
nd turn
switch ON. Connect Probes
to ON/OFF switch.
Turn meter to AC Volts.
-
BEEP
+
Yellow Thermistor
Wires to motor
-
Step 3:
Check motor therm
a
l switch.
Unplug yellow wires. Meter
should re
a
d continuity.
NOTE:
Motor should be cool
during re
a
ding.
J
8
Control
Bo
a
rd
Step 4:
Disconnect potentiometer.
Plug power cord in
a
nd
turn switch ON.
a
33
Содержание DC5550
Страница 36: ...Fluid Pump Parts 36...