CONTROL GP-TRANSMISSION HYD 4183807 - Caterpillar

Keypad
Illustration 6 g00643443
Keypad area of the GSC+
(21) Fault shutdown indicator
(22) Fault alarm indicator
(25) Upper display
(26) Alarm codes key
(27) Lower display
(28) Power meter key
(29) AC meter key
(30) Engine meter key
(31) Lamp test key
(32) Exit key
(33) Service mode key
(34) Keypad Keypad (34) is used to control the information that is shown on the upper display (25) and lower display (27). The seven keys have two sets of functions: normal functions and service functions. The normal functions of the keys are described in the following paragraphs.Power Meter Key (28) - This key controls the viewing of power meter information. This information is shown on the lower display. Pressing the key for at least five seconds causes all the power meter data to scroll once. The default power meter data then resumes scrolling. If this key is pressed for less than five seconds, the display will stop scrolling the power meter functions until the key is pressed again.AC Meter Key (29) - The AC meter key controls the viewing of the AC parameters on the upper display. Pressing the key causes the display to show a different set of parameters.Engine Meter Key (30) - This key controls the viewing of engine parameters on the lower display. Pressing the key stops the scrolling of engine conditions. The value for one particular engine condition will show continuously. The pointer flashes indicating that the scrolling is stopped. The scrolling of the engine conditions will resume when the engine meter key is pressed again.Lamp Test Key (31) - Pressing this key performs a lamp test on the GSC+ and the optional alarm module. On the GSC+, the ten fault indicators are ON CONTINUOUSLY. Every segment of upper display (5) and lower display (6) is ON. On the optional alarm module, all of the indicators are ON and the horn sounds. The lamp test function automatically turns off if an operator presses the key and holds the key for longer than ten seconds.Alarm Codes Key (26) - If fault alarm indicator (22) is FLASHING, pressing this key causes the upper display (25) to show the corresponding alarm fault code. If this key is pressed again, the generator AC output information will be shown on the upper display (25). If fault alarm indicator (22) is OFF, this key has no function.Exit Key (32) - This key only functions when the GSC+ is in Service Mode.Service Mode Key (33) - Pressing this key causes the GSC+ to enter service mode.Alarm Module
Illustration 7 g00777782
The location of the Alarm Module (ALM) on the EMCP II+ control panel
The alarm module (ALM) is optional. The function of the alarm module is to provide a visual and audible warning of engine conditions before these conditions become severe enough that the engine will shut down or will be unable to start.One basic alarm module is used to satisfy the requirements for the following modules: standby NFPA 99 alarm module, standby NFPA 110 alarm module, NFPA 99 remote annunciator panel and prime power alarm. This is accomplished by