Cormach MEC 10, Техническое руководство по обслуживанию

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Technical Support Manual – 05/2018 Rel. 2.1.3 Page 6
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] o [P5] .
Replace the CPU-C1C.X 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] .
tAS

Keyboard Test
This menu option allows you to run the keyboard test. When you access this option, the RH display shows the message
P .
(See
figures F3.10 and F3.11).
Figure F3.10: Keyboard Test Message Figure F3.11: Keyboard value message
Press one key at a time to make sure that the control corresponds to the key. For technical reasons, key [P7] (F) cannot be tested.
Key [P8] Start is displayed for a short time.
To exit the Keyboard Test program, press [F+P9] .
uFC

Converter voltage-frequency test
This menu option allows you to run the converter voltage-frequency test (or VFC) of the CPU-C1C.X board. When you access this
option, the display shows digits
AAA BBB
, as shown in figures F2.12 and F2.13.
Figure F2.12: VFC Test Message Figure F2.13: VFC value message
Value AAA refers to pick-up VFC A, whereas value BBB refers to pick-up VFC B. The values displayed must be stable (operators should
not touch or knock the machine) and must range within the tolerance levels indicated in table T10.2. When the machine is touched
or knocked both VFC channels will vary and should stabilize once the mechanical disturbance is over.
To exit the voltage-frequency converter test program, press [F+P9] .