Cormach MEC 1, Technical Support Manual

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Technical Support Manual – 05/2015 Rel. 0 Page 3
To access the "TEST Programs" Menu, proceed as follows (See Figure F2.1):
1. Enter the SERVICE mode by pressing [F+P3] and will be displayed the following messages
;
2. Press keys [F+P9] to access the “TEST Programs” Menu;
3. Browse the list of the Menus with keys [P4] or [P5] until the option required is displayed. The options
available are listed in table T2.2;
Table T2.2: "Parameters" Menu Options
Options Description Notes
ENC
ENCODER disc reading test
rPM
Shaft rotation speed test
SiG
Pick-up signal test It also controls the parameters that influence the signal
dPy
Displays and LED test
taS
Keyboard test
uFC
Converter voltage-frequency test
Ret
Return to SERVICE mode
4. Press keys [F+P9] to confirm the option;
5. 5. To exit the “TEST Programs” Menu, select the Menu option
Ret
and press keys [F+P9] .
ENC

ENCODER disc test
This menu option allows you to run the ENCODER disc test. When you access this option, the display shows the message
Enc 000
as shown in figures F2.2 and F2.3.
Figure F2.2: ENCODER disc test message Figure F2.3: ENCODER disc value message
Manually turn the wheel and check that values from 000 to 255 (from 000 to 255 turning clockwise and from 255 to 000 turning anti-
clockwise) are displayed. When the reset "tooth" of the encoder disc is in position H12, the value displayed must be 000 (or it must
be reset to 000 should the value be different).
If the count is not correct, check and/or adjust the mechanical fixing of the DEB board. Check the cable if there are no mechanical
problems.
To exit the ENCODER disc test, press [F+P9] .