User manual 250/400 OLED
Rev.: SG-20220516
Page 69 of 79
FlexxPump 250 / 400 OLED
User manual
DANGER
Machine elements that are not lubricated can cause failures resulting in
serious injury or death.
After sending a control signal, the response signal of the FP 250/400 OLED
must be waited for, evaluated and interpreted in order to prevent an uncontrolled
failure of the FP 250/400 OLED.
If there is a low level at PIN 4 in pulse mode, but the operating voltage is connected, check the
connection cable from external control to PIN 4 of the FP 250/400 OLED. If you cannot detect a
problem during the check, a serious device error has occurred that cannot be remedied by you on site.
In this case, disassemble the FP 250/400 OLED with the lubricant cartridge screwed on and return the
complete lubrication system to the manufacturer with a detailed description of the fault.
The FP 250/400 OLED always sends a specific output signal within 30 sec. after sending an
arbitrary control signal. If this is not the case and the FP 250/400 OLED no longer responds to
any control signal, a time-out has been detected. To check the communication readiness of the
FP 250/400 OLED in this case, send the control signal „Status request (sign of presence)“. If again
>30 sec. pass without a response signal from the FP 250/400 OLED, disconnect the supply voltage
from the FP 250/400 OLED for at least 10 sec. and send the control signal „Status request (sign of
presence)“ again after reconnecting the supply voltage. If communication with the FP 250/400 OLED is
still not possible, disassemble the FP 250/400 OLED with the lubricant cartridge screwed on and return
the complete lubrication system to the manufacturer with a detailed description of the error.
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