RITE-HITE RHA-4000, Руководство пользователя

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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
a Remove dirt, debris and corrosion from
lip hinge and/or lubricate
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.
TROUBLESHOOTING
Rite‑Hite
®
Owner's Manual
RHA‑4000 Dock Leveler
Publication: AMEN00045 2020-02-04 13