Precor TRM 885.v2 Service Manual page 3

Diagnostics and Indicators .......................................................................................................... 23
Motor Controller Light (MCL) Service Status Indicator .................................................. 23
Active Status Light (ASL) LED .............................................................................................. 23
Drive System Monitoring ............................................................................................................. 24
Input Current Overload Detection .................................................................................... 24
Input current .......................................................................................................................... 24
Input current overload error 36 .......................................................................................... 24
Instantaneous Input Current Overload Detection ......................................................... 24
Input overload error 35 ........................................................................................................ 24
Motor Over Temperature Detection ................................................................................. 24
Motor Current Overload Detection .................................................................................. 24
Lift Drive Motor Operation ........................................................................................................... 25
Lift Motor ................................................................................................................................. 25
Lift accuracy .......................................................................................................................... 25
Lift Motor Operation ............................................................................................................. 25
Lift motor overload protection ........................................................................................... 25
AC Lift System - Motion Control ......................................................................................... 26
AC Lift System - Position Monitoring .................................................................................. 27
Drive / Lift System Control ................................................................................................... 27
Drive Motor Operation ................................................................................................................. 28
AC Drive Motor Controller ................................................................................................... 28
Auto-Stop ............................................................................................................................... 30
Introduction to Treadmill Troubleshooting ................................................................................... 31
TRM 800.v2 Status lights- ...................................................................................................... 31
Active Status Light- ASL ....................................................................................................... 31
Drive Motor and Input Voltage/Current Measurements- ............................................. 34
General Troubleshooting Methodology ....................................................................................... 35
Troubleshooting Tripped Breakers .............................................................................................. 36
If the unit trips the wall breaker: ......................................................................................... 36
If the Treadmill breaker (power switch) is tripped: ......................................................... 37
Troubleshooting No Power to the Console, P10 and P30........................................................... 38
Error Codes ................................................................................................................................. 39
Error Codes ............................................................................................................................. 40
Error Code Table ................................................................................................................... 41
Troubleshooting Input Power & Control Error Codes .................................................................. 45
Error 10 - Line Frequency out of Acceptable Range .................................................... 45
Error 11 - Watchdog (Upepr PCA) Low Voltage ............................................................. 45
Error 12 - Watchdog (Lower PCA) Low Voltage ............................................................. 46
Error 14 - Fan Fail (Lower PCA) ........................................................................................... 46
Error 15 - DC Bus Over Voltage .......................................................................................... 47
Error 16 - A.C. Input Voltage Too Low ............................................................................... 48
Error (none) - Key Depressed at Power Up- No Error Code Generated .................... 48
Error 80, 81, 82, & 83 - P30/P80 Machine Controls Not Working .................................. 49
Troubleshooting the 3 Phase AC Drive Motor System ................................................................ 50
Troubleshooting the Drive Motor ................................................................................................. 50
Procedure: ............................................................................................................................. 50
Error 17 - DB Resistor Thermal Trip Software Detection .................................................. 54
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