Inovance Err20 fault code meaning
Inovance / Err20
Series: CAN600
Rotary encoder fault
AC drive
Meaning: Check whether the rotary encoder model is compatible; rotary encoder wiring error
Possible causes
Source: CAN600 Series AC Drive User Manual Fault Diagnosis P89
Series: CP320, MD480, MD500, MD500E
Encoder fault
AC drive
Meaning:
Possible causes
Source: CP320 Series Air Compressor AC Drive User Manual P49; MD480 Series Engineered Single-Drive AC Drive User Manual P88; MD500 Series General-Purpose AC Drive Commissioning Manual P122; MD500E Series General-Purpose AC Drive User Manual P235
Series: MD320, MD320N
Encoder disk fault
AC drive
Meaning:
Possible causes
Source: MD320 Series General-Purpose AC Drive User Manual, Fault Record Parameters P73; MD320(MD320N) Series AC Drive User Manual, Fault Record Parameters P77
Series: MD380E
Encoder disk fault
AC drive
Meaning: When this fault occurs, do not reset immediately. Check the U0-45 additional information. U0-45 has 9 cases: 1 to 7, plus 11 and 12; U0-45=1: encoder not connected, or encoder and PG card damaged or making poor contact; U0-45=2: error in the UVW signal cable, which may be disconnected or damaged; U0-45=3: encoder Z signal not received or affected by interference; U0-45=4: incorrect direction of the UVW signal cable, or cable improperly connected or damaged; U0-45=5: encoder Z signal cable improperly connected or damaged; U0-45=6: interference affecting the Z or ABZ signal, or zero point position angle (F1-31) modified incorrectly; U0-45=7: incorrect encoder line count, rated frequency, or rated speed setting; U0-45=11: UVW signal cable connected in reverse or disconnected; U0-45=12: encoder or PG card may be damaged, or UVW signal cable wiring may be incorrect
Possible causes
Source: MD380E Series AC Drive User Manual, Fault Diagnosis P249
Series: NICE1000
Rotary encoder fault
elevator controller
Meaning: Check whether the rotary encoder model is compatible; rotary encoder wiring error
Possible causes
Source: NICE1000 Series Integrated Elevator Controller User Manual, Fault Diagnosis P79
Series: NICE2000ft
Encoder disk fault
elevator controller
Meaning: Check whether the encoder model is compatible; encoder wiring error
Possible causes
Source: NICE2000(ft) Door Controller User Manual Fault Diagnosis P69
Series: NICE3000dt
Rotary encoder fault
elevator controller
Meaning: Check whether the rotary encoder model is compatible; incorrect rotary encoder wiring; persistently high current at low speed
Possible causes
Source: NICE3000(dt) Integrated Elevator Controller User Manual, Fault Diagnosis P120
Series: NICE7000
Speed feedback error fault
elevator controller
Meaning: 1: Loss of AB signal during identification; 4: Cannot detect Z signal during identification; 5: SINCOS encoder _CD open; 7: UVW encoder UVW open; 8: Reserved; 9: Overspeed or excessive speed deviation; 10, 11: Interference with the AB or CD signal of the SINCOS encoder; 12: Torque limited, measured speed is 013: Loss of AB signal during operation; 14: Loss of Z signal during operation; 19: AB analog signal open during low-speed operation; 55: CD signal error or severe interference error in the Z signal during tuning
Possible causes
Source: NICE7000 Series Integrated Elevator Controller User Manual, Fault Diagnosis P58