CYBEX LCX 425T - TREADMILL - ERROR CODES - SPEED SENSOR ADJUSTMENT
Error codes notify you of a problem condition and are
displayed on the console. These codes can also help to indicate the part of the
treadmill most likely to be causing the problem. Errors that present a hazard
to the user provide a measure of safety by causing a one second beep,
stopping the treadmill and locking out operation of the
treadmill. Reset power by unplugging unit for a few seconds, then plug power
cord into outlet.
A log of errors can be viewed and cleared. Enter Test Mode
and press the Pace (min/mi/km) key to display the log. The most recent error is
always first in the log. Press the Pace key again to cycle to the next the
error stored. Up to 10 errors can be stored. Press the Scan key twice to clear the
error log. Press Pause/Stop to exit Test Mode.
bAd0 Bad checksum.
See H then G.
bAd2 Internal RAM
error. See H then G.
bAd3 Watchdog
timeout. See H then G.
Err1 Belt didn’t
start (or no speed sense). See I, E, D, B then A.
Err2 Underspeed (2
mph for 2 seconds without correction in process). See I, E, C then B.
Err3 Speed sense
lost. See I, E, A, B and C.
Err5 No 0 switch
sense within timed limits. This is declared when the timed elevation reaches -2% without tripping the
index.
Err6 Overspeed (1
mph for 1 second or 2 mph for 0.2 seconds without correction). See I, E.
Err7 EEPROM error
(memory lost, loads new defaults, enters Test Mode).
ErrE 0% always on
(or switch disconnected or wired backwards). This means that timed elevation has gone up 2% and the
index is still sensed.
SVC Maintenance prompt. Is activated every 9,000
miles (14,484 km). Display shows “SVC” and beeps every 2 minutes. In Test Mode
press “Cool Down” and then press up and down arrows to display “RST” for reset.
Press Enter to reset service odometer to zero.
SPEED SENSOR ADJUSTMENT
A Check lower board
B Check drive motor
C Check belt and deck
D Check motor brushes
E Check speed sensor
F Check elevation motor
G Replace display board
H Reset power by unplugging unit for a few seconds, then
plug power cord into outlet.
I Perform speed
calibration procedure.
Unplug the treadmill from the power outlet.
Remove the motor cover.
Using a Phillips head screwdriver, loosen two screws on each
motor cover side.
Using a Phillips head screwdriver, loosen two screws on the
front motor cover.
Lift the motor cover up and off the treadmill. The screws
will stay in place.
Adjust the speed
sensor gap (if needed). [Do not over tighten nuts on plastic speed sensor
housing]
Using two 1/2” open end wrenches, loosen the nuts that attaches the speed sensor to the frame bracket.
Adjust the gap between the speed sensor and the magnet on the front roller to 1/4” (.635 cm) and tighten the two nuts.
Test for speed errors.
Connect the power cord to a power outlet.
Bring the speed of the treadmill up to maximum speed, 11.0
mph (17.6 kph).
After reaching maximum speed reduce the speed to 1.0 mph
(1.6 kph). If a speed error occurs then your speed sensor gap needs to be
readjusted.
Press Pause/Stop.
Enter Test Mode again and check the error log for Error 3.
If any new errors occurred, readjust the speed sensor and test again. NOTE: If
you are unsure whether an error is new you can clear the error log by pressing
the scan key twice and then repeat steps 3A through 4E.
Exit Test Mode by pressing Pause/Stop.
Speed Calibration
Stay off the running belt during this procedure. CAUTION:
During this procedure STAY OFF THE RUNNING BELT! Stand with your feet on the two steps.
In Test Mode press and hold the Heart Rate and Time keys for
five seconds. The display will show
“CAL”. The running belt will accelerate to three different speeds and when
completed the display will show “SAV”
