Horizon Fitness CST 3.5, Руководство по обслуживанию, Страница: 42 / 67

4
4
W
ARRANTY
SAFETY
INSTRUCTIONS
RECOMMENDED
TOOLS
MAINTENANCE
PROPER
HEART
RA
TE
USAGE
5-STEP
DIAGNOSIS
PROCESS
VOL
TAGE
CHECKS
AND
LED
DIAGNOSIS
WIRING
DIAGRAMS
AND
SCHEMA
TICS
ENGINEERING
MODE
TROUBLESHOOTING
SPARE
PARTS
REPLACEMENT
Symptom
Possible Cause Test Procedure
Repair
Failed Auto Calibration
– Belt runs for a few sec-
onds and then stops and E1
message on console.
Failed Auto Calibration
– Belt never runs and E1
message on console.
Failed Auto Calibration
– Board never sets speeds.
Belt will continue to run and
not stop.
Failed RPM sensor.
RPM sensor misaligned.
Failed console cable.
Magnet missing in front roller
pulley.
RPM sensor not aligned properly
or has failed.
Failed motor control board
(MCB).
Put machine into Eng1 and
check for slight fluctuation
of speed in speed window of
display. (
Speed should not
fluctuate more than a few
hundredths.
)
Adjust sensor bracket to correct
position.
Check voltage and continuity of
console cable. (
Reference Volt-
age Checks and LED Diagnosis
section.
)
- Verify positioning of sensor
wire. (Wire coming from RPM
sensor points toward the front
of the unit, sensor is as close
as possible to the magnet
in the pulley without touch-
ing, and the sensor bracket
90-degree angle, not bent in
any way.)
- Put machine into Eng1 and
check for slight fluctuation
of speed in speed window of
display.
(Speed should not
fluctuate more than a few
hundredths.)
If other tests mentioned above
are normal then replace MCB.
Replace RPM sensor.
( Reference Roller Replace-
ment in Spare Parts Replace-
ment section for correct
sensor position )
Replace console cable. ( Refer-
ence Console Cable Replace-
ment in Spare Parts Replace-
ment section.)
Replace magnet.
See troubleshooting section for
no motor movement on page
38.
Replace RPM sensor.
Replace MCB. ( Reference
Motor Control Board Replace-
ment in Spare Parts Replace-
ment section.)
Auto Calibration Troubleshooting
TROUBLESHOOTING