Cybex 750T Treadmill Service Manual
Service
Page 4-6
Error Codes
Error codes notify user of a problem condition and are displayed on the console. Error codes can also help
to indicate the part of the unit most likely to be causing the problem. Errors are tracked in a rolling log of 20
entries, each stamped with time and date. The log number will show in the TIME display as L-01 through
L-20.
Error Code Listing
Error Code # Meaning
1 No Speed at Startup
3 Speed Irregularity/Underspeed
5 Drive Communication Lost
6 Speed Irregularity/Overspeed
7 Controller Over-Current (Fold-back)
8 Approaching Over-Temperature
9 Display watchdog triggered
92 Over Current (Output)
93 Over Voltage (DC Link)
94 Over Heat (Heatsink)
95 Low Voltage (DC Link)
96 Thermal Integrator of output current
98 Display Communication Lost - Belt speed zero
99 Display Communication Lost - Belt moving
103 Input Current OC trip (110 VAC only)
105 Thermal Integrator of Input Current (110 VAC only)
140 Can not find home position on power-up
141 Can not find home position during use
142 Out of incline range (over 15% or lower than -3%)
150 Out of Speed Range (over 150hz)
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