MOTOR WILL NOT RUN
POSSIBLE CAUSE
1. Fuse blown, (5,2,1,3,4)
2. Limit switch burned out, (1,2,3,4)
3. Microswitch burned out, (1,2,3,4)
4. Motor burned out, (1,2,3,4,6)
5. Voltage to motor incorrect, (2,1,8)
REMEDY
INSTRUCTION
1. Check for correct voltage
Compare supply voltage with voltage on motor name tag.
Check that the wire is sized correctly. N.E.C. table 310-12
requires
AWG
10
for
25
Amps.
2. Check motor is wired correctly
Compare wiring of motor to electrical diagram on drawing.
3. Don’t use extension cords
According to N.E.C. : “ The size of the conductors…should be
such that the voltage drop would not exceed 3% to the farthest
outlet for power…” Do not run motor at 115 VAC – damage
to
the
motor
will
occur.
4. Replace with new part
Replace with new part
5. Reset circuit breaker/ fuse
Reset circuit breaker/ fuse
6. Return unit for repair
Return unit for repair
7. See Installation Manual
See Installation Manual
8. Check wall outlet voltage and wiring
Make sure unit and wall outlet is wired properly. Motor must
run
at
208/
230
VAC.
LIFT LOWERS SLOWLY OR NOT AT ALL
POSSIBLE CAUSE
1. Cylinders binding, (1)
2. Release valve clogged, (5,4,2,3)
3. Pressure fitting too long, (6)
REMEDY
INSTRUCTION
1. See Installation Manual
Consult Lift Manufacturer
2. Replace with new part
Replace with new part
3. Return for repair
Return for repair
4. Check oil
Use clean 10-WT hydraulic oil or Dexron automatic
transmission fluid only. If ATF is contaminated, replace with
clean
ATF
and
clean
entire
system.
5. Clean release valve
Wash release valve in solvent and blow out with air.
6. Replace fitting with short thread lead
Replace fitting with short thread lead
40