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550ZTX Treadmill Owner’s Guide
Error Codes
C
ARE AND
M
AINTENANCE
66
E1:INCLINE Incline moving when not commanded to.
E1:RANGE Difference between zero position and
maximum incline not sufficient.
E1:STALL Incline not moving when commanded to.
E2:OVERSPEED This error occurs when an acceleration of
greater than 2.1 mph occurs. Error cleared
by turning off power switch then turning
it back on.
E2:CAL Treadmill cannot achieve target speed.
Re-calibrate treadmill.
E3:RECAL This error occurs when a data error is
detected in the EEPROM. Replace the
control panel.
E4:KEY STK [stop] Caused by pressing and holding the
key for more than five seconds.
E5:SENSOR This message is displayed when there is
no speed feedback.
All errors require service by a qualified technician. To clear
the error, turn power off and back on again.
C
ARE AND
M
AINTENANCE
ERROR CODES