Maintenance, 2 indicator lamp and warning / emergency display – MMD Equipment 185S-6C2 User Manual
Page 54

6. Maintenance
6-3
6.2 Indicator lamp and Warning / Emergency display
[Indicator lamp]
Turn the starter switch to “RUN” position. Then the lamp goes on.
Item Contents Measures
Monitor
GLOW
Press starter switch “GLOW” and the
lamp goes on and after preheating is
finished, the lamp will be off.
―
CHARGE
Lamp goes on when alternator is not
charging.
Check wiring.
Check alternator.
[Warning Display]
Whenever a little disorder or trouble occurs during operation, the
operation continues. When the warning lamp flickers, take appropriate measures to recover
the situation swiftly.
Item
Failure
code
Contents Measures
DISCHARGE
TEMP.H
A1
Lamp flickers when the air temperature at the
outlet of the air-end reaches 239°F (115℃).
WATER
TEMP.H
A2
Lamp flickers when coolant temperature reaches
221°F (105℃).
See
“Troubleshooting”
CHARGE A5
Fan belt loosened and/or cut
Faulty generation of alternator
See
“Troubleshooting”
[Emergency Display]
When abnormality occurs during operation, it displays, lamp lights
and the machine is brought to emergency stop.
Be sure to follow the measures shown below
before starting the unit again.
Item
Failure
code
Contents Measures
DISCHARGE
TEMP. H
E1
Lamp displays when the air temperature
at the outlet of the air-end reaches 248°F (120℃).
WATER
TEMP.H
E2
Lamp displays when coolant temperature
reaches 230°F (110℃).
ENG. OIL
PRESS.
E3
Lamp goes on when engine oil pressure drops.
[The function pressure is below 7.3psi(0.5bar).]
DISCHARGE
TEMP.SENSOR
E6
It is displayed when air temperature sensor at
the outlet port of compressor air end is
disconnected.
WATER
TEMP.SENSOR
E7
It is displayed when engine coolant
temperature sensor is disconnected.
See
“Troubleshooting”