Integra CROMA24 - Manual (Page 71)

Maintenance 71
MAINTENANCE
Croma24 Service Manual
Keypad Test
Figure 3-29. Keypad Test.
The Keypad Test checks the keypads on the MPCB. The keypads
are the microswitches that are activated whenever one of the tabs
on the actuator is depressed.
Each time a switch is activated and hold for a few seconds, a LED
(or both LEDs) becomes illuminated. The indications to be observed
is listed in Table 3-2.
Table 3-2. Keypad Test Indications.