Hobart 60CU20 Operation And Maintenance Manual With Illustrated Parts List page 105

OM-2226 / Operation and Maintenance Manual
60CU20 / Series 500062 / 400 Hz. Generator Set
(1) Warning
Warning faults have no effect on the operation of the GPU. An example is an intake air restriction
fault due to a dirty filter. Although the GPU continues to operate, the fault appears on the fault
code display. Pressing the TEST/RESET pushbutton or shutting down the GPU resets the fault.
(2) Run Mode
Run mode faults remove power form the aircraft but do not change the operating speed of the
engine. An example is an over voltage fault. Although the contactors open and remove power
from the aircraft, the engine remains at rated speed, and the fault appears on the fault code
display along with the command. Pressing the TEST/RESET pushbutton or shutting down the
GPU resets the fault.
(3) Idle Mode
Idle mode faults remove power from the aircraft and drop the operating speed of the engine to the
idle setting. A possible example (depending on customer configuration) is a high temperature
fault. The contactors open and remove power from the aircraft, the engine drops to its idle speed,
and the fault appears on the fault code display along with the command. Pressing the
TEST/RESET pushbutton or shutting down the GPU resets the fault.
(4) Stop Mode
Stop mode faults remove power form the aircraft and shut the engine down. An example is a low
oil pressure fault. The contactors open and remove power from the aircraft, the engine shuts
down, and the fault appears on the fault code display along with the command. Pressing the
TEST/RESET pushbutton or shutting down the GPU resets the fault.
(5) Special Configuration
These fault codes are reserved for special customer configurations. Contact the factory for
information.
c) Fault Code Display
The numbers that appear in the FAULT CODE display are used for troubleshooting the GPU. The
first two digits represent one-half of the fault code and the last two digits represent the other half.
•
The first two digits on the left side of the Fault Code represent the Command.
•
The two digits on the right side of the Fault Code represent the Fault Condition.
May 2, 2013
Revision 2
Chapter 2-4
Page 5