Operating Instructions: LUB‐M
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9.3 Error message E3: Pump unit works too slowly
(output signal PIN 4 = Low (0 V))
Display:
ALARM (red LED) is flashing, Display: Number of pump unit + E3 = 2E3
Cause:
Low-voltage, pump unit does not work in specified time. Pumping is stopped!
Remedy:
Eliminate cause, delete error in the program Pro with Clr. Pump will continue to run.
Example error message E3 time control (5 activated pump units)
Example error message E3 pulse control (5 activated pump units)
9.4 Error message E4: Internal electrical fault (
output signal PIN 4 = Low (0 V))
Display:
ALARM (red LED) is flashing, Display: Number of pump unit + E4 = 2E4
Cause:
Internal electrical fault. Pumping is stopped!
Remedy:
Delete error in the program Pro with Clr. Pump will continue to run. After another error message E4 send the
pump for repair.
Example error message E4 time control (5 activated pump units)
Example error message E4 pulse control (5 activated pump units)
