Miller Bobcat 260 Diesel Owner's Manual page 52

C. Engine
Maintenance Display
noFUEL
HI H2O
LO OIL
Wrench icon flashes.
Trouble
Engine does not crank.
Engine cranks but does not start.
Engine starts but stops when Engine
Control switch S2 returns to Run/Idle
position.
Engine stopped during normal
operation.
Battery discharges between uses.
Engine does not return to idle speed
when load is removed with Engine
Control switch in Run/Idle position.
Engine does not remain at weld/power
speed when power or weld load is ap-
plied with Engine Control switch in
Run/Idle position.
OM-286506 Page 48
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Complete Parts List is available at www.MillerWelds.com
Place Engine Control switch in the Off position, refuel, and start engine.
Coolant temperature is too high. Allow engine to cool and check coolant level (see Section 8-5).
Oil pressure is too low. Allow engine to cool and check oil level (see Section 8-5).
Oil change is due.
Supplementary protector CB8 may be open (see Section 8-4). Wait and retry.
Check battery voltage.
Check battery connections and tighten if necessary.
Check Engine Control switch to engine wiring harness connections.
Have Factory Authorized Service Agent check Engine Control switch S2 or circuit breaker CB8.
Check fault indicators on fuel gauge (see Section 6-1).
Check fuel level and fill tank with fresh fuel.
Glow plug circuit breaker CB7 may be open (see Section 8-4). Wait and retry.
Service inline fuel strainer and fuel filter (see Section 8-2).
Check battery and replace if necessary.
Check engine charging system according to engine manual.
Check fuel solenoid (see Section 8-6).
Have Factory Authorized Service Agent check glow Plug switch S6, glow plug, and control relay
CR3.
Check oil level and fault indicators on fuel gauge (see Sections 5-5 and 6-1). Engine will not start if
oil pressure is too low.
Check coolant level and fan belt (see Section 5-5 and engine manual), and check fault indicators on
fuel gauge (see Section 6-1). Engine will not start if engine temperature is too high.
Have Factory Authorized Service Agent check low oil pressure shutdown switch S5 and engine tem-
perature switch S4.
Check fuel level and fault indicators on fuel gauge (see Section 6-1). Check fuel for water or other
contaminants.
Check oil level and fault indicators on fuel gauge (see Sections 5-5 and 6-1). Engine will not start if
oil pressure is too low.
Check coolant level and fan belt (see Section 5-5 and engine manual), and check fault indicators on
fuel gauge (see Section 6-1). Engine stops if engine temperature is too high.
Have Factory Authorized Service Agent check low oil pressure shutdown switch S5 and engine tem-
perature switch S4.
Clean top of battery with baking soda and water solution; rinse with clear water.
Periodically recharge battery (approximately every 3 months).
Replace battery.
Check voltage regulator according to engine manual.
Remove all weld and generator power loads.
Check for obstructed movement of solenoid linkage (see Section 8-6).
Have Factory Authorized Service Agent check idle module PC1, current transformer CT1, throttle
solenoid TS1, and Engine Control switch S2.
Check for obstructed movement of solenoid linkage (see Section 8-6).
Have Factory Authorized Service Agent check idle module PC1, control relay CR2, control relay
CR4, current transformer CT1, and throttle solenoid TS1.
Action
Remedy