GENISYS AL-900 Dock Leveler Owner’s Manual
Publication:
AMEN00044 2017-01-27
13
Problem
Probable Cause
Solution
1. Platform does not raise.
a No power
b. The blower motor and/or control box
has been mis-wired
c. The pushbutton and/or contact block
does not function properly
d Overload tripped
e The blower motor has failed
f Check air tower assembly for damage
a Check the main power supply Check
fuses in the control box and disconnect
b Check wiring
c. Replace pushbutton operator and/or
contact block
d Push RESET on overload relay, if
applicable
e Replace air tower assembly
f Repair or replace as necessary
2 Lip will not extend
a Debris in lip hinge or lubrication
needed
b Lip out mechanism or below dock
actuator is damaged
a Remove dirt, debris and corrosion from
lip hinge and/or lubricate.
b Repair or replace damaged
components
3 Lip remains fully or partially
extended
a Debris in lip hinge
b Lip out mechanism or below dock
actuator is damaged
c Lip impacted or bent
a Remove debris from lip hinge
b Repair or replace damaged
components
c Lubricate per maintenance procedures
or replace lip
4 Platform does not lower
a Debris under platform
a Remove debris
5. Platform raises slowly.
a. Air tower system damaged.
b Weight on platform
a Repair or replace damaged
components
b Remove weight on platform
6 Lip does not latch
a Lip latch adjustment out of adjustment
a. Readjust lip latch bolt. See figure 12.
LEVELER TROUBLESHOOTING