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WS2H and WS3 Drawings and Service Manual
Problem
Possible Cause
Solution
15. Err – 1001 = Control unable
to sense motor movement
a. Motor not inserted fully to engage
pinion, motor wires broken or
disconnected
b. PC Boar
d not properly snapped into
drive bracket
c. Missing reduction gears
d. Damaged or dirty reduction gear
re
fl
ectors
e. Faulty or dirty optics on back of PC
board
a. Disconnect power, make sure motor is
fully engaged, check for broken wires,
make sure two pin connector on motor
is connected to the two pin connection
on the PC
Board labeled REGEN. Press
NEXT and REGEN buttons for about 3
seconds to resynchronize software with
piston position.
b. Properly snap PC Board into drive
bracket and then Press NEXT and
REGEN buttons for about 3 seconds
to resynchronize software with piston
position.
c. Replace missing gears
d. Clean or replace reduction gear
e. Clean or replace PC Board
16. Err – 1002 = Control valve
motor ran too short and was
unable to
fi
nd the next cycle
position and stalled
a. Foreign material is lodged in control
valve
b. Mechanical binding
c. Main drive gear too tight
d. Improper voltage being delivered to
PC Board
a. Open up control valve and pull out
piston assembly and seal/ stack
assembly for inspection. Press NEXT
and REGEN buttons for about 3
seconds to resynchronize software
with
piston position.
b. Check piston and seal/ stack assembly,
check reduction gears, check drive
bracket and main drive gear interface.
Press NEXT and REGEN buttons
for about 3 seconds to resynchronize
software with piston position. Check
that pinion is not pressed up tight
against motor
c. Loosen main drive gear. Press NEXT
and REGEN buttons for about 3
seconds to resynchronize software with
piston position. Verify free motion
by rotating main drive gear by hand,
driving piston in and out
d. Verify that proper volta
ge is being
supplied. Press NEXT and REGEN
buttons for about 3 seconds to
resynchronize software with piston
position.
