Table 9-2. Auxiliary Power Troubleshooting; Table 9-4. Air Compressor Troubleshooting; Table 9-3. Engine Troubleshooting - Miller Electric CBI 801D Owner's Manual

AUXILIARY POWER
TROUBLE
No 120 volt output at 3T termi-
nals L and M.
High auxiliary power output
voltage.
TROUBLE
Engine does not start.
Engine suddenly shuts down.
AIR COMPRESSOR
TROUBLE
Air compressor fails to build
pressure or builds pressure
slowly.
Pneumatic tools freeze up.
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Table 9-2. Auxiliary Power Troubleshooting

PROBABLE CAUSE
Circuit breaker CB1 open.
Poor contact between slip
rings and brushes.
High engine speed.

Table 9-3. Engine Troubleshooting

PROBABLE CAUSE
Out of fuel.
Battery problem.
Engine Control switch S1.
Oil Pressure gauge/switch or
Oil Temperature gauge/switch
activated, or other engine
trouble.
MS1 fuse F.
Broken cooling belt.
High oil temperature.
Low oil pressure.
MS1 fuse F.

Table 9-4. Air Compressor Troubleshooting

CAUSE
Engine air compressor.
Moisture in compressed air.
REMEDY
Reset CB1 (see Section 9-3).
Clean slip rings (see Section 8-9).
Replace brushes according to Section 8-9.
Check and adjust engine speed according to
Section 8-8. (Maximum voltages should not
exceed 132 volts for single-phase power.)
REMEDY
Fill fuel tank, and air vent fuel system (see En-
gine Manufacturer's Manual.)
Check engine battery charging system accord-
ing to engine service manual (not supplied with
engine).
Inspect electrical system (see Section 8-1). If
trouble is isolated to battery, replace it.
Jump start the engine using approved safety
practices and booster battery (see Section
9-2).
Check S1, and replace if necessary.
See Sections 6-10 thru 6-11; see Engine Man-
ufacturer's Manual (F4L-912 engine).
Check and replace F, if necessary (see Sec-
tion 9-3).
Check and replace belt (see Section 6-15).
Check engine oil level and add oil if necessary;
check for cooling air flow obstructions.
Check engine oil level, and add oil if necessary
(see Section 4-5).
Check and replace F if necessary (see Section
9-3).
REMEDY
Service air compressor. Contact nearest Au-
thorized Service Station/Service Distributor.
Induce an antifreeze solution into the air sup-
ply. Contact nearest Authorized Service Sta-
tion/Service Distributor.