Technogym BIOSTRENGTH LINE, Service Maintenance Manual

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BIOSTRENGTH LINE: Service & Maintenance manual - rev. 2.1
Page 6.24
6.9. THE LCD DISPLAYS THE MESSAGE “WEIGHT STACK
PROBLEM = FAIL”
This error message appears when the CPU board receives an alarm signal from the Bio servo board
after enabling movement of the weight stack motor in one direction. This signal means that the
absorbed current of the motor is greater than a value preset on the board by means of the setting
described in paragraph 8.1
4
., due to:
•
Low current limit setting;
•
Insufficient lubrication of the weight stack selection system;
•
Damaged weight stack selection system chain;
•
Damaged selection brush;
•
Weight stack plates with defective springs;
•
Damaged motor.
Check these parts; when you find the defective one, replace it to restore machine operation.