With the operator in manual mode, check the following and correct if necessary:
That the boom pole can be easily raised or lowered by hand and does not stick or jam at
any stage
That the spring tension is correct. A handy diagnostic screen, complete with graphic
representation, can be found by scrolling upwards. This will tell you exactly how many
turns of the spring tensioner are needed and in which direction, be it clockwise or
counter-clockwise
That there is not excessive play on the gearbox
That the primary drive-arm is not loose on the output shaft
Check the DC motor wires for any loose connections
Ensure that the DOSS sensor wire harness is securely plugged into the controller
Ensure that the DOSS sensor is securely clipped into the housing
If the problem is not solved, replace the DOSS sensor and main controller
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Page 59
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”
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Check the “Mains Present” icon on the main diagnostic screen or switch to the battery
charger diagnostic screen and check the charging voltage – right hand voltage. This
should indicate XV
Check that the mains power is turned on (check 220-240V AC on the mains connector)
Check that the red LED on the side of the charger is lit
Check the charger’s supply fuse
Check that the white battery charger connector is making proper contact
Check the condition of the battery leads, terminals and connectors. Look for and correct
all loose connections and signs of corrosion
The battery might be discharged. Measure the battery voltage with the charger
connected, if the voltage is below 13.5V then the battery is discharged. The number of
raising cycles per hour may be excessive, thus discharging the battery
The charger may 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
The 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
If the problem is not solved replace the DOSS sensor and main controller
Содержание SECTOR 3
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