PROBLEM
CHECK
LATCHBOLT WILL NOT RETRACT
*AIR SUPPLY TO LOCK
*MECHANICAL INTERFERENCE
*POWER INPUT TO UNLOCK SOLENOID
(POWER SHOULD BE PRESENT
DURING LOCK OPEN CYCLE)
*BROKEN OR LOOSE WIRING
*FAULTY OR CONTAMINATED
SOLENOID VALVE
LATCHBOLT WILL NOT EXTEND
*MECHANICAL INTERFERENCE
*BROKEN OR LOOSE WIRING (SHORT
TO GROUND)
*POWER INPUT TO UNLOCK SOLENOID
(POWER SHOULD NOT BE PRESENT
DURING LOCK SECURE CYCLE)
*FAULTY KEYSWITCH
LOCK RETRACTS/EXTENDS SLOWLY
*AIR PRESSURE TO LOCK
*MECHANICAL INTERFERENCE
*FAULTY OR CONTAMINATED SOLE-
NOID
VALVE
*MECHANICAL INTERFERENCE
*PROPER ENGAGEMENT OF KEY
CYLINDER CAM IN LOCK
*BROKEN OR LOOSE WIRING
(SEE WIRING DIAGRAM)
*BROKEN OR LOOSE WIRING
(SEE WIRING DIAGRAM)
MANUAL OVERRIDE NOT WORKING
PROPERLY
DOOR POSITION SIGNAL NOT GIVEN
LATCHBOLT POSITION SIGNAL NOT
GIVEN
