UFR1001E 12420-0701-14 Page 28 / 34 www.ziehl.de11.16 Possible indications in displayDisplay mode8 AL 8 , 8Am 8 Alarm , Alarm 10min mean value8Err48 …8err98 Error messages (see Error messages and measures)8Ac 8 , 8tal 8 Alarm counter, cumulative alarm time8Scn 8 , 8 M 8 Scan mode, 10min mean valueMenu mode / configuration modeU,, , 8U, 8 ,8u__ 8 , 8U_ 8 Voltage limit valueUM 8 Limit value 10min mean valueH,, , 8H, 8 ,8H__ 8 , 8H_ 8 , 8HM 8Hysteresis (if a limit value is changed, the reset value also shifts;that means it might be necessary to adapt it)F,, , 8F, 8 ,8F__ 8 , 8F_ 8 , 8dfdt8 Frequency limit value, ROCOF (df/dt) limit value8dal 8 Response time8dof 8 , 8dofa 8 Reset time; is always counted down in the display8 ind8 , 8 all 8 Turn-on time adjust individual / all together (e.g. for Testing)8vsr 8 Vector surge8stby8 Standby mode, standby-time, standby-counter8y1y28 Evaluation of the feedback contacts is suppressed when E1-E2 areclosed8Deon8 Delay Enable On, suppression time when switching on and after openingthe enable input81 ph 8 , 83 ph 8 Single phase, three-phase vector shift evaluation8rocf8 , 8per 8 ROCOF (df/dt), Periods8rel 8 Relayttrel8 Section switch turn-on time, 8 off8 no feedback contacts8ddi 8 Delay display, to calm down the displayDit 8 Display duration scan mode (each measurement is displayed for thisduration)8si 8 , F , 8U 8 Simulation, Frequency, voltageCode , 8Plo 8 , 8vsr8 Code lock / sealing, vector shift8Pin 8 , 8Info 8 Pin code (default 504), Device information, program changeFnr 8 , 8snr 8 Firmware version, serial numberh 8 Operating hoursErr 8 , 8del 8 Error counter, delete error counter8yes 8 , 8no 8 Yes, no query for acknowledgementPr 8 , 8 on8 , 8 off8 Program, On, Off8uonf8 Frequency protection off if voltage < 8uonf8