Cormach MEC 1, Technical Support Manual

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Technical Support Manual – 05/2015 Rel. 0 Page 6
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 F2.10 and F2.11).
Figure F2.10: Keyboard Test Message Figure F2.11: 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-C1 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 Figura 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 T9.2. When the machine is touched or
knocked both VFC channels will vary and should stabilise once the mechanical disturbance is over.
To exit the voltage-frequency converter test program, press [F+P9] .