Controlled Products Systems Group 222X383 - Manual (Page 58)

Installation and Maintenance Manual
50
D0119, Rev. F
Troubleshooting
Also review Page 13, Mechanical and Hydraulic Adjustments
Trouble with Gate Movement in General:
1. Disengage the operator from the gate and move the gate manually. If the gate does not roll well or is
warped, fix the gate before working on the gate operator.
2. For adequate grip, the red spring that clamps the drive wheels must be compressed to 2” in height.
Adjust by unclamping and turning the nut at the bottom of the threaded rod.
3. Look inside the operator under the wheels for metal shavings. Shavings indicate that the gate panel or
the operator is out of alignment. Realign the operator as necessary. The operator must always be
square to the gate and the drive rail must be shimmed if necessary to maintain an in/out tolerance of
1/4” throughout full gate travel.
Electrical Problems in General:
The Smart Touch Controller reports system malfunctions on its LCD display and the buzzer will emit a series of
chirps at defined intervals. Review the matrix of Alerts, Faults and Errors listed on the next page. To disclose
the status of all inputs on the terminal strip, the LED tact button must be pushed. This button is in the lower left
corner below the terminal strip.
Specific Types of Problems:
"I pushed the open and close buttons, but nothing runs."
1. Verify that the line voltage is present and matches the operator voltage + 10%.
2. Verify that control voltage is present at the power supply Common and 24VDC terminals. It may be
necessary to reset the circuit breaker (black button) on the transformer.
3. Verify a jumper wire joins Common to Stop, if an external stop button is not used.
4. Verify there are no Faults or Errors reported on the LCD display. See table on next page.
5.
If the motor contactor chatters, voltage drop due to undersized wires is the likely cause. See page 62 for
maximum allowable length of wiring runs vs. wire size.
"The pump is running but the wheels are slow or not turning at all."
(Hydraulic pressure is between 0 - 700 PSI on the gauge)
1. If the power is three-phase, verify counterclockwise motor rotation. To reverse, switch any two AC lines.
2. Check the level of the hydraulic oil by removing the plug in the reservoir. If necessary, add oil at this
location to within one inch of the filler hole.
3. Unplug the hoses and run the pump. If the pressure is low, adjust the relief valve.
4. If pressure gauge does not respond to relief valve adjustment, remove relief valve entirely and depress
the plunger at the nose end with a blunt tool (Allen wrench) and blow it to remove any debris.
5. If cleaning the relief valve does not help, repeat this procedure with the quick stop valve.
“Hydraulic pressure is above 700 PSI”
1. Unclamp and spread the drive wheels, then retest. If the wheels turn, verify that the gate will move by
manually pushing it. Fix the gate hardware if necessary.
2. Verify that the hose end quick disconnects are fully seated when connected.
3. If equipped with brake valves (E or EX type), loosen them a little by turning clockwise.
"The wheels turn backwards, or only in one direction."
1. Check hose connections for correct handing.
2. Press the Open button and verify that the directional Valve coil develops a strong pull. (This can be
tested by removing the nut retaining the coil and grasping the coil)
"The gate only opens or only closes."
1. Verify that no external device is commanding the gate open or closed by watching the LED’s next to
each input.
2. If the gate only opens, the directional valve is probably stuck and needs replaced.
3. If the gate only closes, the valve coil is not being energized, or is defective.