SENTRY II 960 Series - Motor and Gear Errors

42
Control Valve Trouble Shooting
Problem
Possible Cause
Solution
Err - 1003 = Control valve
motor ran too long and was
unable to find the next cycle
position
Motor failure during a regeneration
Check motor connections then Press
NEXT and REGEN buttons at the same
time for 3 seconds to resynchronize
software with piston.
Foreign matter built up on Piston and Seal
and Spacer Stack Assemblies creating
friction and drag enough to time out Motor
Replace Piston and Seal and Spacer
Stack Assemblies. Press NEXT and
REGEN buttons at the same time for 3
seconds to resynchronize software with
piston.
Drive Bracket not snapped in properly and
out enough that reduction gears and drive
gear do not interface
Snap Drive Bracket in properly then Press
NEXT and REGEN buttons at the same
time for 3 seconds to resynchronize
software with piston.
Err - 1004 = Control valve
motor ran too long and timed
out trying to reach home
position
Drive Bracket not snapped in properly and
out enough that reduction gears and drive
gear do not interface
Snap Drive Bracket in properly then Press
NEXT and REGEN buttons at the same
time for 3 seconds to resynchronize
software with piston.