Troubleshooting guide

Release January, 2006 Rev 4.0 18
TROUBLESHOOTING GUIDE
For programs AEBLR, AEBQR
WARNING: ALL ELECTRICAL TROUBLESHOOTING OR
SERVICE MUST BE PERFORMED BY A
QUALIFIED ELECTRICIAN OR SERVICE PERSON AND MUST MEET ALL
APPLICABLE LOCAL, STATE, FEDERAL, AND OTHER GOVERNING AGENCY
CODES. EXERCISE EXTREME CAUTION WHEN IT IS NECESSARY TO SERVICE
THE CONTROL PANEL WHILE IT IS ENERGIZED.
The POWER and RUN green LED’s on the PLC must be on. If not, check for 120V power to terminals
L&N. If no power is present, de-energize control panel and check main disconnect and all control panel
fuses. Fuses FU1 and FU2 are the main power supply to the panel. Fuses FU3 & FU4 are for 120 VAC
power supply to the PLC. At least one, red input LED’s on the PLC should be on. If not, ensure the
EMERGENCY STOP button is pulled out. If no inputs turn on, check for missing jumpers and/or switch
wiring in series with the EMERGENCY STOP button (i.e. crank/chain hoist switch, thermal overloads,
inertia brake contact, etc.).
PLC INPUTS
(X0-X7)
INPUTS (“IN” LED’S) DESCRIPTION
0
Encoder Position Signal – Channel B. Flickers when doors runs.
1
Encoder Position Signal – Channel A. Flickers when doors runs.
2
Shutdown Devices. Should be lit unless a shutdown device (E-Stop,
Crank Switch, ect) or SRD is activated
3
Setup. Should be lit unless the setup button has been tripped.
4
Actuator Impulse Open. Will come on for as long as the actuator has
been activated. If on continuously, check actuators.
5
Safety Devices. Photocell, CSE and Reversing edge contacts are
wired in series with this input. Should be on unless a safety device is
activated. (N/C)
6
Interlock. Needs be lit to enable door operation, or jumped out if no
interlock is being using.
7
Reset Button. Will Reset the door when activated.