PPM: O/R — out of range
JOWA SEAGUARD, 15 ppm 舱底水报警器（ows 监测仪）
可能原因
Value outside 0–30 ppm, sample too dirty, faulty sensor
处理方法
制造商说明书，第 22 页Clean the sensor and calibrate on clean water, check the sample, replace the sensor
JOWA SEAGUARD 的其他故障
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 20 — sensor temperatureTemperature outside +1…+60 °C or faulty sensorERR 40 — log truncatedLog recording interrupted by power failureERR 80 — unknown errorSoftware failure or no ID in the Information menu
依据制造商说明书《Manual JOWA SEAGUARD》。作业前请核对船上的原件。
本页为自动翻译。零件号、代码和页码与原文一致。