Lancaster 7-LXDAN-1B Installation, Operating And Service Manual page 36

Problem
12. Error – 102 = Control valve motor ran too
short and was unable to find the next cycle
position and stalled
13. Error – 103 = Control valve motor ran too
long and was unable to find the next cycle
position
14. Error – 104 = Control valve motor ran
too long and timed out trying to reach home
position
Possible Cause
a. Foreign material is lodged in control valve a. Open up control valve and pull out
b. Mechanical binding
c. Main drive gear too tight
d. Improper voltage being delivered to PC
Board
a. Motor failure during a backwash
b. Foreign matter built up on piston and
stack assemblies creating friction and
drag enough to time out motor
c. Drive bracket not snapped in properly
and out enough that reduction gears and
drive gear do not interface
a. Drive bracket not snapped in properly
and out enough that reduction gears and
drive gear do not interface
PAGE 36
Solution
piston assembly and seal/ stack
assembly for inspection. Press NEXT
and REGEN buttons for 3 seconds
to resynchronize software with piston
position or disconnect power supply
from PC Board for 5 seconds and then
reconnect.
b. Check piston and seal/ stack assembly,
check reduction gears, check drive
bracket and main drive gear interface.
Press NEXT and REGEN buttons for
3 seconds to resynchronize software
with piston position or disconnect
power supply from PC Board for 5
seconds and then reconnect.
c. Loosen main drive gear. Press NEXT
and REGEN buttons for 3 seconds
to resynchronize software with piston
position or disconnect power supply
from PC Board for 5 seconds and then
reconnect.
d. Verify that proper voltage is being
supplied. Press NEXT and REGEN
buttons for 3 seconds to resynchronize
software with piston position or
disconnect power supply from
PC Board for 5 seconds and then
reconnect.
a. Check motor connections then Press
NEXT and REGEN buttons for 3
seconds to resynchronize software
with piston position or disconnect
power supply from PC Board for 5
seconds and then reconnect.
b. Replace piston and stack assemblies.
Press NEXT and REGEN buttons for
3 seconds to resynchronize software
with piston position or disconnect
power supply from PC Board for 5
seconds and then reconnect.
c. Snap drive bracket in properly then
Press NEXT and REGEN buttons for
3 seconds to resynchronize software
with piston position or disconnect
power supply from PC Board for 5
seconds and then reconnect.
a. Snap drive bracket in properly then
Press NEXT and REGEN buttons for
3 seconds to resynchronize software
with piston position or disconnect
power supply from PC Board for 5
seconds and then reconnect.