Topcon A2677 Paint Sprayer User Manual


 
18-2
www.topconpa.com
X20 Sprayer Reference Manual
Speed
Problem
No Speed
Speed From Causes Solutions Tips
4. Wheel Sen-
sor
Signal from
speed sensor
missing or no
Circ value
Check Circ
value, sensor
magnet clear-
ance, connector
voltages, con-
nector corrosion,
loose connec-
tions, magnet
polarity and
sensor damage
Try manual
speed,
disconnect
sensor or select
Radar. A pulse
from an
intermittent
sensor will
switch back to
sensor input
5. Radar Signal from
Radar system
missing
Check wiring
and Radar
specications
Radar speed
inputs are
unreliable, do
not use unless
proven reliable
(see Speed
Erratic)
6. GPS GPS input
missing
Check GPS
signal and
Guidance
programs are
running. Circ
must have a
value
The GPS speed
comes from
the Guidance
program, which
must be
running to get a
speed
reading.
Response is
slow as speed
changes get
passed through
several pro-
grams and the
GPS receiver