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7.4 Compressor control module trouble shooting
7.4.1 Process information
While the compressor is running, the operator can
take a brief look at all the incoming compressor and
engine data, by pressing the Process Info button.
This can be very useful for trouble shooting over the
phone.
7.4.2 Warnings
When a warning is generated, the warning will appear
on the screen of the UI, and the user is prompted to a
malfunction or a potential shutdown.
There are two kinds of warnings: Process warnings
and Apparatus warnings.
– Process warnings do not have any effect on the
CCM’s operation. They are generated when a
measured value has exceeded its limits. These
Process warnings are: fuel level warning, engine
oil level warning, compressor oil level warning
and discharge temperature warning.
– During operation, all sensors, some outputs and
the communication lines are continuously
checked for failures. When such a failure occurs,
the CCM will generate an Apparatus warning.
Some errors can cause the CCM to go to the
Shutdown status (if running) or to the Start Failure
status (if in Permissive Start status).
*NOTE: See “Cooling down” on page 38.
Apparatus warnings Effect
Fuel Level Sensor Shutdown
Air Discharge Pressure Sensor Shutdown
Compressor Oil Pressure Sensor Shutdown
LP Element Temperature Sensor Shutdown
MP Element Temperature Sensor Shutdown
Loading Valve Output Shutdown
ECM Communication Link Shutdown
CAN Communication Link Shutdown
Starter Relay Shutdown
Compressor Intercooler Pressure 1
Sensor
Warning
Compressor Intercooler Pressure 2
Sensor
Warning
Compressor Oil Temperature Sensor Warning
Air Discharge Temperature Sensor Warning
Air Inlet Temperature Sensor Warning
Oil Level Maintainer Valve Output Warning
Flasher Lights Output Warning
Horn Output Warning
Blow-off Valve Output Warning
EEPROM Warning
Default Mode Warning
Process warnings Effect
Fuel Level Shutdown
Engine Oil Level Too Low Shutdown
Engine Oil Overfill Shutdown
LP Element Temperature Shutdown
MP Element Temperature Shutdown
Fuel Level Warning
Engine Oil Level Low Warning
Air Discharge Temperature Warning
Autostart Pressure higher than Setpressure Warning
Battery Voltage Low Warning
Battery Not Charging Warning
Engine warnings Effect
Engine Coolant Level Sensor Failure Shutdown
Engine Coolant Temp. Sensor Failure Shutdown
Engine Oil Temperature Sensor Failure Warning
Engine Fuel Temperature Sensor
Failure
Shutdown
Engine Air Inlet Temp. Sensor Failure Warning
Engine Turbo Boost Press. Sensor
Failure
Warning
Engine Oil Pressure Sensor Failure Shutdown
Engine Fuel Pressure Sensor Failure Shutdown
Engine Coolant Level Low Shutdown
Engine Coolant Temperature Too High Cooldown*
Engine Air Inlet Temperature High Warning
Engine Oil Pressure Too Low Shutdown
Turbo Boost Pressure High Warning
Engine Fuel Pressure Too Low Shutdown
Engine Injector X Failure Shutdown
Fuel Temperature Too High Shutdown
Engine RPM Sensor Failure Shutdown
Process warnings Effect
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