RITE-HITE RHA-4000, Owner'S Manual

Page: 14 / 32

TROUBLESHOOTING
LED Status Chart – Standalone Controls
? = Varies (depending on operation)
F = Off
ITL = Interlock input on
M = Lights when button pressed
P = Pulsing / Flashing
(set to steady using DIP switches)
T = Steady On
LEVELER CONTROL BOARD
INPUTS
OUTPUTS
FIELD
PUSH
BUTTONS
12VDC
AR
TD INPUT
COMBINED POWER UNIT
INPUT
[CMBD PU] GREEN LIGHT
T
O OPERA
TE
LEVELER INPUT
[GL
T ITL]
[SEE DIP
SWITCH #2]
OVERHEAD DOOR OPEN INTERLOCK INPUT
[OHD ITL]
[SEE DIP
SWITCH #3]
RAISE PUSH BUTT
ON
MOT
OR CONT
ACT
OR OUTPUT
[L
VLR CONTR]
12VDC POWER SUPPL
Y OK
TERMINAL BLOCK NO.
J92 J112 J111 J91 J164 J103 J101–2
LEVELER CONTROL BOARD LEDS
LD5 LD3 LD2 LD4 LD14 LD6 LD1
LEVELER AUX BOARD LEDS
– – – – – – –
N
O
.
020100
State/Sequence
No
Rest State F F ? ? – F T
020101 Raise Sequence F F ITL ITL M T T
020102 Automatic Return to Dock T F ITL ITL – T T
020103 Combined Power Unit Seq F T ? ? – T T
020500 Run Fault State ? ? ? ? ? F T
RUN FAULT STATE
If Leveler Motor is operated continuously for 60 seconds, system will enter RUN FAULT STATE
After a 60 second rest period, system will automatically enter the REST STATE and resume normal operation
LED Status Chart – Dok-Commander Controls
? = Varies (depending on operation)
F = Off
ITL = Interlock input on
M = Lights when button pressed
P = Pulsing / Flashing
(set to steady using DIP switches)
T = Steady On
MICRO CONTROL BOARD
POWER
BOARD
INPUTS OUTPUTS
FIELD
PUSH
BUTTONS
12VDC 12VDC
AR
TD INPUT
OVERHEAD DOOR OPEN INTERLOCK INPUT
[OHD ITL]
LEVELER ST
ORED
INTERLOCK T
O
UNLOCK
[UNLK ITL] RAISE PUSH BUTT
ON
MOT
OR CONT
ACT
OR
OUTPUT
[L
VLR CONTR]
12VDC POWER SUPPL
Y OK
TERMINAL BLOCK NO.
J144 J142 J143 Membrane J151 J21‑6
MICRO CONTROL BOARD LEDS
LD32 LD29 LD30 LD52 LD42 LD7
LEVELER AUX BOARD LEDS
– – – – – –
N
O
.
020100
State/Sequence
No
Rest State F ? ? – F T
020101 Raise Sequence F ITL ? M T T
020102 Automatic Return to Dock T ITL ? – T T
020103 Combined Power Unit Seq F ? ? – T T
020500 Run Fault State ? ? ? ? F T
RUN FAULT STATE
If Leveler Motor is operated continuously for 60 seconds, system will enter RUN FAULT STATE
After a 60 second rest period, system will automatically enter the REST STATE and resume normal operation
RHA-4000 Dock Leveler
Owner's Manual
Rite-Hite
®
14 Publication: AMEN00045 2020-02-04