Poweramp POWERHOLD STD & SC 11.2006 - Manual (Page 10)

GENERAL INFORMATION CONTINUED
SIGNAL LIGHTS AND ALARM SEQUENCE OF OPERATION CONTINUED.
D. The unit reaches the fully lowered (stored) position.
Limit switch"LS3" is closed.
Outside light = Green
Inside light = Red
Alarm = Off
D. "BYPASS" operating mode
Outside light = Red at all times
Inside light = Amber at all times
Alarm = Off at all times
OPERATING NOTES
A. When in the "NORMAL" operating mode, the raise cycle of the restraint will be
activated by momentary pressure on the "LOCK"push button (auto raise cycle).
However, the auto raise cycle will only be activated if pressure on the "LOCK"
push button is maintained long enough to allow the restraint to leave the stored
position (i.e., leave the "LS3" limit switch). This will ensure that the dock
attendant does want the restraint to be activated. The inside lights will change
from RED to AMBER when the restraint leaves the stored position.
B. When in the "NORMAL" operating mode, the lower cycle of restraint will be
activated by momentary pressure on the "UNLOCK" push button (auto lower
cycle). The inside lights will change from GREEN to AMBER when the restraint
leaves the fully raised, ICC bar engaged position.
C. The automatic raise and lower cycles are backed-up with time based failure
mode protection, described as follows:
1. Automatic raise cycle:
If the restraint does not reach the fully raised ICC bar engaged position or
the fully raised no ICC bar engaged position within approximately 13
seconds after leaving the stored position, the restraint will automatically
return to the stored position. Failure to reach the fully raised ICC bar
engaged position or the fully raised no ICC bar engaged position can be due
to an obstruction preventing the restraint from raising.
Also, the restraint will automatically return to the stored position after the
13 second delay if the unit reaches the fully raised ICC bar engaged
position but the "LS1" proximity switch in the unit has failed "OPEN".
(Note: If the restraint reaches the fully raised ICC bar engaged position but
the "LS2" proximity switch in the unit has failed "OPEN", the automatic
return cycle (with alarm) will be activated).
2. Automatic return cycle (no ICC bar) and automatic lower cycle:
If the restraint does not reach the stored position within approximately 13
seconds after leaving the fully raised ICC bar engaged position or the fully raised
no ICC bar engaged position, the restraint will automatically shut off. Failure to
reach the stored position can be due to an obstruction preventing the restraint
from lowering.
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