ERR 20 — sensor temperature
JOWA SEAGUARD, 15 ppm bilge alarm (ows monitor)
Possible cause
Temperature outside +1…+60 °C or faulty sensor
What to do
Manufacturer's manual, p. 22Check the sample and ambient temperature; replace the sensor
See the assembly on the 3D model
Other JOWA SEAGUARD faults
ERR 2 — clock failureHardware failureERR 4 — memory errorMemory card loose or faulty (corroded contacts)ERR 8 — sensor not connectedBroken/loose cable or faulty sensorERR 10 — sensor cleaning requiredNo clean water, dirty sensor, failed auto-flush, air bubbles, faulty sensorERR 40 — log truncatedLog recording interrupted by power failureERR 80 — unknown errorSoftware failure or no ID in the Information menuPPM: O/R — out of rangeValue outside 0–30 ppm, sample too dirty, faulty sensor
From the manufacturer's manual “Manual JOWA SEAGUARD”. Check against the original on board before work.
This page was translated automatically from the manual summary. Part numbers, codes and page numbers are as in the original.