Installation and use
45
SEEDER MAT MCK 2500 SX
PROBLEM
CAUSE
REMEDY
When sowing, the flashing
bars on the display do not
shift correctly between
sectors when
raising/lowering the row
marker disc arm or the
machine
a. Row marker sensor
cable damaged or
disconnected
a. Check cable and
restore connection
b. Row marker sensor
gap too large
b. Adjust gap as shown
in par. 3.2.3 on page
15
c. Head of row marker
sensor damaged
c. Replace row marker
sensor
d. “t” constant
incorrectly set
d. Check setting of “t”
constant as shown on
page
33
e. “disc” constant
incorrectly set
e. Check setting of
“disc” constant as
shown on page 31
Computer continually
warns of low seed level
a. Capacitive sensor
cable damaged or
disconnected
a. Check cable and
restore connection
b. Head of capacitive
sensor damaged
b. Replace capacitive
sensor
Computer not displaying
distributor RPM alarm
a. Distributor RPM
sensor cable
damaged or
disconnected
a. Check cable and
restore connection
b. RPM sensor gap too
large
b. Adjust gap as shown
in par. 3.2.2 on page
14
c. Red head of sensor
damaged
c. Replace sensor
Computer not displaying
any alarms
a. Incorrect
programming settings
a. Check settings of “M”
and “S” constants as
shown on page 31