36
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 nametag.
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-III 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
To Next Page
Loading...
