Precor TRM 811.v2, Service Manual

Page: 55 / 114

© Precor Incorporated, Unauthorized Reproduction and Distribution Prohibited by Law Page 55
Possible Remedies
1 Visually determine if the DBR is connected to the MC. Ensure the cable connector is securely
fastened and locked to the MC connector.
2 Use a multimeter to measure the DBR. It should read 100 ohms. If this is significantly higher than
100 ohms replace the resistor.
Error 19
– PFC Malfunction
MCL
– Yellow
ASL
– Yellow Solid
Description
The Control Module monitors the PFC (power factor correction) circuitry, and gives this error
when the PFC malfunctions.
Possible Causes
1. The Control Module has had a hardware failure.
Possible Remedies
2. If the problem is persistent, replace the Control Module.
3.
4.
Error 20
– Motor will not start / No motor movement detected
MCL
– Yellow
ASL
– Yellow Solid
Description
When a program is started the drive motor does not move OR during a workout the motor stalls
OR cannot maintain the requested speed.
Note :
This error requires that the power must be cycled on the MC to clear the error.
Possible Causes
1. The deck and belt may have very high friction causing an overload on the motor.
2. The drive motor could be bad.
3. The Motor Controller could be bad.
Possible Remedies
1. Check the belt rating and current draw of the treadmill. Replace deck and belt if necessary.