Maxon TE-250C, Maintenance Manual

Page: 38 / 48

1
1921 Slauson
A
ve. Santa Fe Springs, CA. 90670 (800) 227-41
16 F
AX (888) 771-7713
38
PLATFORM WILL NOT RAISE & MOTOR WILL NOT RUN
TROUBLESHOOTING
2.
Touch a jumper wire to terminals
“B”
&
“D” (FIG. 38-1)
. If
motor runs, check control switch, the switch connections,
and white wire. Check and correct wiring connections or
replace the control switch.
3.
Touch heavy jumper cables to terminals
“A”
&
“B”
(FIG. 38-1)
.
a. If motor runs, replace the motor solenoid.
b. If motor does not run, repair or replace the pump motor.
1.
Connect voltmeter between motor
solenoid terminal
“B”
and ground
wires connection on pump
(FIG. 38-1)
.
Verify that full battery voltage is at
“B”
. Recharge the battery if
voltmeter indicates less than
12.6 volts dc.
12 VDC POWER UNIT
(GRAVITY DOWN)
FIG. 38-1
TERMINAL “A”
LOAD
TERMINAL “B”
BATTERY (+)
STARTER
SOLENOID
VALVE “A”
LOWERING
SOLENOID VALVE
TERMINAL “C”
GROUND (-)
TERMINAL “D”
SWITCHED BATTERY
(+)