Generac Power Systems MAGNUM MTT20IF4, Operating Manual

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This table lists the possible alarm icons displayed on the operator screens. In the event of a warning alarm, the LCD
only displays the alarm icon. In the event of an electrical trip or shutdown alarm, the controller displays the alarm
icon and the Stop mode button LED begins to flash. If multiple alarms are active at the same time, the alarm icon
automatically cycles through all the appropriate icons to indicate each alarm which is active.
A timer is active (i.e. cranking time, crank rest, etc.)
Engine is running, and all timers have expired, either on or off load. The animation speed is reduced
when running in Idle mode.
Unit is in the front panel editor
USB connection is made to the controller
Configuration file or engine file is corrupted
Light Output Icons
Corresponding light output has been configured and is not active
Corresponding light output has been configured and is active
A timer to delay the light output is activating or de-activating
Icon Fault Description
Warming Alarm Icons
Fail To Stop
The controller has detected a condition that indicates that the engine is
running when it has been instructed to stop.
Note: ‘Fail to Stop’ could indicate a faulty oil pressure sensor. If engine is
at rest, check oil sensor wiring and configuration.
Low Fuel Level
The level detected by the fuel level sensor is below the low fuel level set-
ting.
Battery Under Voltage
The DC supply has fallen below or risen above the low volts setting
level.
Battery Over Voltage The DC supply has risen above the high volts setting level.
Generator Under Voltage
The generator output voltage has fallen below the pre-set pre-alarm set-
ting after the Safety On timer has expired.
Generator Over Voltage
The generator output frequency has risen above the pre-set pre-alarm
setting.
Generator Under Frequency
The generator output frequency has fallen below the pre-set pre-alarm
setting after the Safety On timer has expired.
Generator Over Frequency
The generator output frequency has risen above the pre-set pre-alarm
setting.
CAN ECU Fault The engine ECU has detected an alarm.
CAN Data Fail
The controller is configured for CAN operation and does not detect data
on the engine Can data link.
Immediate Over Current The measured current has risen above the configured trip level.
Icon Details