micro-trak ProPlant, Reference Manual

Page: 37 / 48

37
V
M CAL
If this message appears, it is strongly recommended to check/verify all calibration
values before using the console. It indicates that there may have been a problem
with storing calibration values. Cycling power will not clear the bad CAL message,
it can only be cleared by entering and exiting calibration mode.
Low Power. Check all power and ground connections. After OFF button is
pressed and console powers down, this message is briefly displayed.
Has loaded Default Cal factors (appears when default calibration factors are
loaded by holding CAL and “-” buttons while turning the console on).
Will flash in right-hand display with rotary switch in ANY position if there is
no Speed signal regardless of all other conditions. Check speed sensor and
connections per Troubleshooting section.
Will flash in right-hand display with rotary switch in ANY position if there
should be RPM (In Run, some sections on, speed greater than 0) but no RPM is
detected, or if there is RPM but should not be. Check RPM sensor and wiring
harness connections per Troubleshooting section.
Will flash in left hand display if rotary switch is in Rows/Section position, system
is in Cal mode and no section switches are turned on. Make sure system is in
run and a section switch is turned on, also check Run/Hold switch or sensor
and connections.
The ShAFt Err message described above will flash for 5 seconds and if the ProPlant
is in AUTO, the system runs the control valve in the open direction in an effort to
generate an RPM signal. It if fails to, the system will run the control valve in the
closed direction and display EStOP or Emergency Stop. Investigate and fix RPM
signal problem, see Troubleshooting section - must go to HOLD and back to RUN
to retry (or recycle power).
Warn LED flashes when the Rate error is over 10%. It is on steady when in CAL
mode or SPECIAL CAL mode or Test Speed
Special Calibration mode is active. Appears when entering Special Calibration
mode (hold AUTO/MAN and CAL buttons while turning console on).
The “V” icon in the right-hand display indicates that token has been inserted
and system is ready for VRA operation.
The message alerts the user that the currently selected counter will be cleared
if held for 2 seconds. Also serves as a reminder to use “+” button to select
counters.
Counters (DISTANCE or AREA or SEEDS) have overflowed their maximum. RESET
(see page 35) to clear counters and resume counting.
Troubleshooting
Messages / Warnings