38
Service Manual Combics
Important!
h
You can speed up the test program by pressing the t key.
t All LEDs turn off and then on in sequence (for Combics 3).
Then they all turn on and then off together.
y "KEYBOARD TEST" appears on the display.
The keys that must be checked appear on the display.
t Carry out the keypad test. All keys that need to be pressed appear on the display. Keys
should be pressed within 5 sec otherwise the program will see this as a key error.
y It must be possible to clearly feel and hear the click action of the key.
y Then an internal test takes places like with the Combics 2.
Operating Design | Test Program Combics 3
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