Poweramp RAIL RAMP SPECIALTY 1.1995 - Manual (Page 21)

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Warning
Always barricade the work area to prevent unauthorized use of the unit during repair or maintenance
procedures.
Always lock off all electrical disconnects after raising platform and setting maintenance lock when
service under the unit is required. More than one electrical disconnect switch may be required to
de-energize the equipment.
Always stand clear of the Railramp when operating the unit.
Perform the following procedures prior to beginning detailed troubleshooting:
A. Check all fuses inside the control assembly(s). Replace any bad fuse with one of equivalent specifications.
B. Confirm presence of all necessary voltages inside the control assembly. Check branch circuit fuses and/or
circuit breakers if all voltages are not present.
Railramp
Problem Cause(s) Solution(s)
1. Motor overload device tripped.
2. Motor starter (3 phase) or motor
relay (1 phase) not energizing.
1. Reset overload relay (3 phase)
or replace fuse (1 phase).
Determine cause of device
tripping. NOTE: If replacing
fuse, replace with device of
equal specifications.
2. Check device that sends signal
to starter or relay. Device may
have failed OPEN. Use meter
to check for contact closure
when device is ON.
Railramp does not operate. Motor
does not energize.
Troubleshooting Guide