October 2015
Second Edition - First Printing
Part No. 57.0009.0662 GTH-1256 21
Controls
1 Low engine oil pressure indicator light
When illuminated this light indicates that the engine
oil pressure is too low which can lead to machine
damage. Discontinue use of the machine and service.
3 Hydraulic oil filter clogged indicator light
When illuminated this light indicates that the hydraulic
oil filter is clogged which can lead to machine damage.
Discontinue use of the machine and service.
4 Low hydraulic oil level indicator light
When illuminated this light indicates that the hydraulic
oil level is too low which can lead to machine damage.
Replenish and eliminate the oil leak.
7 Diesel particulate filter indicator light
When illuminated this light indicates that the DPF
is in need of regeneration. Park the machine in a
safe location, press the DPF switch and refer to the
DPF regeneration instructions in the supplemental
operator’s manual.
10 Engine air filter restricted indicator light
When this lamp comes on, the engine air filter is
clogged proceed with cleaning or changing the air
filter cartridge.
11 DPF Alert
indicator light
This light flashes to warn of a problem of the engine.
To identify the problem, see the two sections “Engine
Lamp Logic”
12 Engine Critical Fault indicator light
This light comes on to warn of a problem of the
engine. To identify the problem, see the two sections
“Engine Lamp Logic”
15 High engine coolant temperature gauge
When gauge reaches red, the engine coolant is too
hot which can lead to engine damage. Discontinue
use and service the engine
19 High hydraulic oil temperature indicator light
This indicates the temperature of the hydraulic oil
in the tank which can lead to machine damage.
Discontinue use of the machine and service.
22 Brake pressure low indicator light
It lights when the pressure of the braking circuit is
too low for a correct functioning which can lead to
machine damage. Discontinue use of the machine
and service.
