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TROUBLE SHOOTING ANALYSIS
SPEED-LIFT SERVICE CHECKS
WARNING!!!
To avoid personal injury, always use a qualified maintenance and repair person with pro fessional training in electrical, hydraulic, and mechanical systems. Call your authorized SPEED-LIFT Distributor, or Superior Handling Equipment at (800) 221-4339 with ques tions regarding your SPEED-LIFT.
| ELECTRICAL SYMPTOMS | CAUSES | SOLUTIONS |
| SL motor runs but platform does not rise when control handle is moved to raise platform. | 3 phase motor is turning backward. | Unplug power cord and switch any two hot leads in the power cord or control box. Make certain the green ground wire is attached to the L shaped plug prong. |
| SL motor runs continuously. | ECS Bypass Switch is ON. | Turn ECS Bypass Switch located on electric control box off. |
| ECS switch under control valve is not turning motor off. | Unplug power and adjust ECS switch by loosening top screws on ECS housing locking clamp, pull down cover and slide the swiitch up or down until the contacts do not touch at top or bottom. Moving the control handle to raise the platform should bring the contacts together and start the motor. | |
| SL motor does not run when handle is moved to raise platform. | Unit not plugged into power. | Plug into proper voltage and phase AC power with proper amperage. |
| Safety bar with electric interlocks is raised. Optional Magnetic Door Switch is working (OFF) because building door is closed. | Lower Safety Bar to Horizontal. | |
| Circuit breaker inside building has tripped or is switched off. | Reset circuit breaker and switch on power. Check breaker for sufficient amperage. | |
| SL magnetic starter has tripped. | Push reset button on magnetic starter box. | |
| ECS valve switch out of adjustment or defective, or wire to switch from electrical box is faulty. | Turn on super cold weather ECS bypass switch on electrical control box. If motor runs continuously, adjust ECS switch under control valve so contacts close when han dle is slightly moved to raise plat form but instantly turns off when handles are released. |
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Superior Handling Equipment 800-221-4339 info@superiorlifts.com |