Kato SR-300L, Instruction Manual

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(11) Digital display
This display indicates the battery voltage, hydraulic oil and torque
converter oil temperature, or rear steering angle. When an error
occurs, the hydraulic oil temperature indicator lamp and the battery
voltage indicator lamp go out and priority is given to the display of
the corresponding error numbers on the digital display.
When the voltage drops, the voltage is displayed irrespective of
PTO.
When the hydraulic oil is overheating, the temperature is displayed
irrespective of PTO.
1) When the PTO is "ON" (during crane operation)
When the hydraulic oil overheats, the hydraulic oil warning lamp lights on the switch panel and the current
value is displayed. The hydraulic oil temperature indicator lamp also lights.
When no error is displayed or the torque converter oil temperature is not displayed, press the outrigger extension
and retraction switches simultaneously for two seconds or more to display the current hydraulic oil temperature
irrespective of any alarms.
2) When the PTO is "OFF" (for driving on roads)
When the battery voltage falls below the rated voltage (20V), the battery charge indicator lamp on the cluster
meter panel starts to flash and the warning buzzer sounds.
At the same time, the current value is displayed and the battery voltage indicator lamp lights.
When no error is displayed or the torque converter oil temperature is not displayed, press the outrigger extension
and retraction switches simultaneously for two seconds or more to display the current battery voltage irrespective
of any alarms.