User manual HANNA INSTRUMENTS HI 8002

[. . . ] Instruction Manual HI 8001 & HI 8002 Panel-mounted and Wall-mounted Fertigation Controllers Manufacturers since 1978 These Instruments are in Compliance with the CE Directives 1 Dear Customer, Thank you for choosing a Hanna Product. Please read this instruction manual carefully before using the instrument. This manual will provide you with the necessary information for a correct use of the instrument, as well as a precise idea of its versatility. If you need more technical information, do not hesitate to e-mail us at tech@hannainst. com. [. . . ] Alarm The alarm number and (/) total number of all active alarms. System clock When at least one active alarm is present, the system clock blinks "ALARM". This indication is displayed on all panels having the system clock. NOTE: The alarm management system is designed to provide self-update behavior, thereby no user intervention is required to restore the status of the interrupted program once the condition is resolved. If the condition of the active alarms change, the panel will reflect the change accordingly without user intervention. 5. 5 LOG CONSULTING 5. 5. 1 VIEW LOG DATE ­ C 26 Log consulting 26-12 LOG DATE date: 15:05 C26 VIEW This panel allows the user to view log data from a specific date. The SET key is used to enter the date of choice thus entering the setting mode. After entering the panel and pressing the SET key, the cursor (focus) is shifted from the panel number to the first place of the day indicator. The key pad and arrow keys can be used to enter the selected date followed by the ENTER key. Once ENTER is 37 pressed the Fertigation Controller will search for the logged data. If no data is found the panel is shifted to C 28 (LOG) and "no records found" is displayed. This panel contains the following information: Log consulting date The initial viewing date set by the user. System clock 5. 5. 2 ANOMALIES (ALARMS HISTORY) ­ C 27 Low level fert: 4 CLEARED ALARM 26-12 14:36:22 13:15 ANOMALY 0193/22 C27 This screen displays anomalies. This screen displays alarm conditions that are no longer active. Once viewing the panel all of the anomalies (prior alarms) can be scrolled and viewed using the UP and DOWN or ENTER keys. This panel contains the following information: Alarm Description Cleared Alarm indication Time stamp Time of alarm occurrence. System clock ANOMALY The anomaly log record number and "/" the number of all anomalies since the system statistics were recorded. The anomalies log record number can be erased on panel C 61 erasing the statistics. 5. 5. 3 LOG ­ C 28 Ext state: ACTIVE Prog State changed. 18-08 15:05:30 15:05 Log 0012 Lev 03 C28 The Fertigation Controller log system is a three level hierarchically designed, which means that the events are classified in three selectable categories. The consulting log level displayed in this panel can be changed directly using the 38 SET key or via panel S 59 (SET LOG LEVELS). The UP and DOWN arrow keys are available to move between log records in a "select previous/next" manner. [. . . ] Program not set correctly The minimum conditions that have to be set in order to have the program working are: - At least one sector has to be set (the irrigation value is different from zero) - Priority set between 1 and 5 - Sector / group set between 1 and 8 - At least one Start condition has to be selected - All the time constrains have to be met (see panels S 31 and S 32) Incorrectly displayed sensor values Recalibrate sensors. Output valve does not work Check sector fuses. If the alarm output does not work when the correspondent led is on, check the fuse to the right of the alarm connector. If the rapid valves that control the pH, conductivity and filters do not function when the correspondent led is on, check the fuse to the right of the fast valve connector. [. . . ]