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Charger might be faulty. Disconnect the battery, and measure the voltage on the battery
leads. It must be between 13.6V and 13.8V, if not replace the charger
Battery might be old, and might have to be replaced. If in doubt test as follows:
Check that the battery is charged, by ensuring that the battery voltage is above 13.5V
with the charger connected. (If the battery is in a good condition it would probably
pass the test without being fully charged)
Disconnect the charger from the battery
Remove the DC Motor leads from the DC Controller
Apply the DC motor leads directly to the battery, while measuring the battery voltage
First make sure that the moving gate will not pose any danger
If the battery voltage drops to below 13.5V then the battery must be replaced
Before replacing the battery, measure the charging voltage on the battery leads
with the battery disconnected. Voltage must be between 13.6V and 13.8V. If
not, replace the charger
Procedure B - False collision detection
Status light flashes four times to indicate that number of collisions have exceeded the
Collision Counter feature value. LCD screen indicates "Max Collisions"
With the operator in manual mode, check the following and correct if necessary:
Badly running gate, or something physically obstructing the gate. Check along the
entire travel of the gate
Rack is not pressing down on to pinion
Bad rack joints
Wheels are not seized or running badly
Top guide rollers are not restricting the gate
No dirt on rail
No physical damage to the rail
Wheel catching side of pinion
With the operator in normal mode, check the following and correct if necessary:
Gate is not hitting the endstop
Do a general inspection of system, check the following and correct if necessary:
No ants, dirt, oil or water in and around the DOSS sensor
DC motor wires for loose connections
DOSS sensor wire harness is securely plugged into controller
DOSS sensor is securely clipped into the housing
If the problem is not solved replace the DOSS sensor and main controller
Red/black/orange wire = Origin switch, and
Red/black/purple wire = DOSS sensor
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