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4
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.
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.
5. Reset circuit breaker / fuse.
6. Return unit for repair.
7. 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. Consult Lift Manufacturer.
2. Replace with new part.
3. Return for repair.
4. Check oil. Use clean
Aw-32
hydraulic oil or Dexron III
or VI
automatic transmission fluid only. If fluid
is
contaminated, replace with clean fluid 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.
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