Cormach MEC 1, Technical Support Manual

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Technical Support Manual – 05/2015 Rel. 0 Page 5
If both pick-up signals differ from, but are similar to the values indicated in table T9.2 check if:
•
The dimensions of the wheel are different from those of the reference wheel;
• The wheel is not balanced;
•
The 50 grams of the imbalance weight are placed on the inner side;
• The imbalance weight does not exceed or drop below 50 grams;
•
The regulation spring pre-charge is correct;
• Both pick-ups are original;
•
The CPU-C1 runs properly (check this by running the VFC TEST described below).
If both pick-up signals differ considerably from the values indicated in annex 1 and from each other, check if:
•
The cables of pick-ups A and B have been connected to the wrong connectors;
• The pick-up regulation spring pre-charge is correct;
•
The CPU-C1 runs properly (check this by running the VFC TEST described below).
If only one pick-up signal differs considerably from the values indicated in table T9.2, check if:
•
I The cables of pick-ups A and B have been connected to the wrong connectors;
• The pick-up regulation spring pre-charge is correct;
•
Both pick-ups are original;
• The CPU-C1 runs properly (check this by running the VFC TEST described below).
To exit the pick-up signals test, press [F+P9] .
dPy

Display Test
This menu option allows you to run the 7-segment display and LED test. Once you have accessed this menu option, you can switch
the 7 different configurations of segments and LED units on and off to check their proper operation. A special configuration switches
all the 7 display segments and LED units on (see figures F2.8 and F2.9).
Figure F2.8: Display Test Message Figure F2.9: Display value message
Browse the configurations available with keys [P4] or [P5] .
Replace the CPU-C1 if one or more segments fail to switch on. This is also valid for the LEDs.
To exit the Display Test program, press [F+P9] .