Könner & Söhnen KS 18-1DE-G, Instructions Manual, Page: 19 / 23

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Typical failures Possible reason Solution
Diesel
start-up fault
The START signal is put
in but cannot start up
the diesel whatever
with manual cranking or
remote control auto-start
1. Check if all shut-down buttons are released
(including the emergency switch button).
2. Check if the control switch is on “OFF”.
3. Check if the fault indicator light is on, if needed,
reset it after fault repair.
4. Check the battery voltage on the control panel,
check the fuse if no voltage, charge the battery with
another charger and reconnect if the voltage is low,
(attention: be sure to fix the knob on “0” position
when disconnecting and connecting batteries).
Diesel Start-up
Fault
The diesel runs but
cannot be operated or
stops after working for
20 seconds.
1. Check the fuel level.
2. Check if the emergency stop button is reset on the
outer shell 3. Check if there is voltage on the fuel
control electromagnet connection.
4. Check if the fuel pipe and filter are blocked.
5. If there is white fog in exhaust system, it means the
fuel has gone into motor, but the diesel cannot be
operated.
6. If the external environment temperature is low, use
warm start-up please.
7. Check if the fuel pressure sensor is blocked.
Low battery
voltage alarm
LOW BATTERY VOLTAGE
alarm light is on.
1. Check battery’s voltage, voltage is 12V at least for
12V battery, and 24V for 24V battery.
2. If battery voltage is low when the machine is
stopped, take down the battery and charge it with
another charger or run diesel to charge.
3. If the generator is still running though the battery
voltage is very low, it means the diesel’s driving charger
does not work, stop machine and check generator belt.
4. If the generator belt is not loose, check the AC diesel
driving charge.
5. If the battery cannot be charged, change battery.
6. Press reset button to remove the fault indication
after eliminating fault.
Alarm of closing
to diesel’s high
temperature
High water temperature
precaution alarm
1. Check if the diesel is overloading.
2. Check if the radiator and ventilation system is
blocked.
3. Check if the surrounding temperature is within the
proper and rated temperature range.
4. Reduce the loading and stop machine as soon as
possible if there are no above problems, check the fan
belt tightness.
5. Press reset button to turn off alarm light once the
reason is found.