10 TT-1379 5/16
Note: Always identify and correct the cause of a fault
shutdown before resetting the controller. Consult
the operation manual for guidance and items to
check.
Digital Gauge Fault Codes
Fault codes are displayed on the gauge when a fault
condition is detected.
See Figure 19 for faults displayed on the gauge for units
equipped with an ADC 2100 controller.
See Figure 20 for faults displayed on the gauge for units
equipped with an ADC II or ADC IId controller.
See Figure 21 for faults displayed on the gauge for units
equipped with a Decision-Makerr 3500 controller.
Units with ADC 2100 Controller
Digital Gauge
Display
Description
LOP Low Oil Pressure
OC Over Crank
OS Over Speed
LCL Low Coolant Level
LOC Loss of Coolant
AF Auxiliary Input Fault
HE High Engine Temperature
OU Over Voltage
UU Under Voltage
OF Over Frequency
UF Under Frequency
LB Low Battery Voltage
HB High Battery Voltage
Figure 19 Fault Codes Displayed on the Gauge (for
Units Equipped with an ADC 2100
Controller)
Units with ADC II or ADC IId Controller
Digital Gauge
Display
Description
LOP Low Oil Pressure
OC Over Crank
OS Over Speed
AF Auxiliary Input Fault
HE High Engine Temperature
OU Over Voltage
UU Under Voltage
OF Over Frequency
UF Under Frequency
LB Low Battery Voltage
HB High Battery Voltage
Figure 20 Fault Codes Displayed on the Gauge (for
Units Equipped with an ADC II or ADC IId
Controller)
Units with Decision-Makerr 3500 Controller
Digital Gauge
Display
Description
LOP Low Oil Pressure
OS Over Speed
AF Auxiliary Input Fault
HE High Engine Temperature
OU Over Voltage
UU Under Voltage
OF Over Frequency
UF Under Frequency
For other possible fault codes, the gauge displays:
SHdn (for a Shutdown) or
Alrt (for an Alert/Warning).
Check the interface on the Decision-Makerr 3500 Controller for more
details.
Figure 21 Fault Codes Displayed on the Gauge (for
Units Equipped with an Decision-Makerr
3500 Controller)
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