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5.1 Set the key switch to Auto (if used) and turn on the operator power switch.
5.2 Activate the operator using the activation device.
The operator will perform one sizing cycle.
Sizing Cycle: Occurs after power is turned on and a legitimate activation signal
is received. During the sizing cycle, the door opens and closes one time.
5.3 If the Door does NOT OPEN AT ALL during the sizing cycle:
• Check the door for binding.
• If an electromechanical lock is being used, check that the lock disengages before the
operator opens the door.
• Check fuses, circuit breakers and connections.
• Adjust the operator and check the door operation
(See chapter 6: Operator Adjustment on Page 15)
Opening Speed 75%
Back Check Speed 75%
Hold Open Time Delay Minimum
Latch Position Maximum
Closing Speed 50%
SW1 1,2,3,4 OFF
5.4 If the door does NOT OPEN FULLY during the sizing cycle:
• Check the door for binding.
• Increase the back check speed slightly and re-check the door operation.
Repeat until door opens fully.
5.5 If the door SLAMS OPEN during the sizing cycle, decrease the back check speed
slightly and re-check the door operation. Repeat until the door opens without slamming.
5.6 After the sizing cycle is completed and the door(s) are closed, apply a maintained
activation signal. Check that the door remains open while the signal is applied.
5.7 If a door safety device is being used:
5.7.1 Door Open Safety:
When the door is in the closed position, activate the safety device and try to activate
the door open. The door should remain closed.
5. OPERATIONAL CHECK
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