ABB ACH550 Error Codes

128 codes from pages 24–77 of the manual

This is the list of fault, error, alarm codes the ABB manual gives for the ACH550 AC drive. Find your code below and open it for what the manual says about its causes and what to do.

Fault codes from p. 24

CodeWhat it meansPage
1 OVERCURRENT p. 24
2 DC OVERVOLT p. 24
3 DEV OVERTEMP p. 24
4 SHORT CIRC p. 24
5 RESERVED p. 24
10 PANEL LOSS p. 25
11 ID RUN FAIL p. 25
12 MOTOR STALL p. 25
14 EXTERNAL FLT 1 p. 25
15 EXTERNAL FLT 2 p. 25
16 EARTH FAULT p. 25
17 UNDERLOAD p. 25
18 THERM FAIL p. 25
19 OPEX LINK p. 25
20 OPEX PWR p. 25
21 CURR MEAS p. 25
22 SUPPLY PHASE p. 26
23 ENCODER ERR p. 26
24 OVERSPEED p. 26
25 RESERVED p. 26
26 DRIVE ID p. 26
27 CONFIG FILE p. 26
28 SERIAL 1 ERR p. 26
29 EFB CONFIG FILE p. 26
30 FORCE TRIP p. 26
31 EFB 1 p. 26
32 EFB 2 p. 26
33 EFB 3 p. 26
34 MOTOR PHASE p. 26
1002 RESERVED (Obsolete) p. 28
1003 PAR AI SCALE p. 28
1004 PAR AO SCALE p. 28
1005 PAR PCU 2 p. 28
1006 EXT ROMISSING p. 28
1007 PAR FBUSMISSING p. 28
1008 PAR PFAWOSCALAR p. 28
1009 PAR PCU1 p. 28
1010 PAR PFA OVERRIDE p. 28
1011 PAR OVERRIDE PAR5 p. 28
1012 PAR PFA IO 1 p. 28
1013 PAR PFA IO 2 p. 28
1014 PAR PFA IO 3 p. 28
2001 OVERCURRENT p. 29
2002 OVERVOLTAGE p. 29
2003 UNDERVOLTAGE p. 29
2004 DIR LOCK p. 29
2005 I/O COMM p. 29
2006 A1 LOSS p. 29
2007 A12 LOSS p. 29
3001 COIL CURR FBK p. 66
3002 BYP CNTACT STUCK p. 66
3003 DRV CNTACT STUCK p. 66
3004 BYPASS COIL OPEN p. 67
3010 INP PHASE A LOSS p. 68
3011 INP PHASE B LOSS p. 68
3012 INP PHASE C LOSS p. 68
3013 DRIVE 1ST START p. 68
3014 COIL POW SUPPLY p. 68
3016 EARTH FAULT p. 68
3017 MTR UNDERLOAD p. 68
3018 MAX CYCLE FAULT p. 69
3019 DRIVE LINK FAULT p. 69
3020 PHASE SEQ p. 69
3021 PH A CURR FBK p. 69
3022 PH C CURR FBK p. 69
3023 BYP COIL SHORTED p. 69
3024 DRV COIL SHORTED p. 69
3027 INVALID SUB ASM p. 69
3028 EXT COMM LOSS p. 70
3029 EFB CONFIG FILE p. 70
3030 FORCE TRIP p. 70
3031 EFB 1...EFB 3 p. 70
3034 MTR PHASE p. 70
3037 PCB TEMP p. 70
3038 NO DRIVE DATA p. 70
3039 FBA PAR CONF p. 70
3101 SFLASH CORRUPT p. 70
3102 PMAP FILE p. 71
3201 T1 OVERLOAD p. 71
3202 T2 OVERLOAD p. 71
3203 T3 OVERLOAD p. 71
3204 STACK OVERFLOW p. 71
3205 UNKNOWN CB p. 71
3206 UNKNOWN DRIVE p. 71
3207 UNKNOWN BYPASS p. 71

Error codes from p. 27

CodeWhat it meansPage
35 OUTPUT WIRING p. 27
36 INCOMP SWTYPE p. 27
37 CB OVERTEMP p. 27
38 USER LOAD CURVE p. 27
101 SERF CORRUPT p. 27
102 RESERVED p. 27
103 SERF MACRO p. 27
104 RESERVED p. 27
105 RESERVED p. 27
201 DSP T1 OVERLOAD p. 27
202 DSP T2 OVERLOAD p. 27
203 DSP T3 OVERLOAD p. 27
204 DSP STACK ERROR p. 27
205 RESERVED (obsolete) p. 27
206 OMIO ID ERROR p. 27
207 EFB LOAD ERR p. 27
1000 PAR HZRP M LIMITS p. 27
1001 PAR PFAREFNG p. 27

Alarm codes from p. 30

CodeWhat it meansPage
2008 PANEL LOSS p. 30
2009 DEVICE OVERTEMP p. 30
2010 MOT OVERTEMP p. 30
2011 UNDERLOAD p. 30
2012 MOTOR STALL p. 30
2013 AUTORESET p. 30
2014 AUTOCHANGE p. 30
2015 PFA INTERLOCK p. 30
2016 Reserved p. 30
2017 OFF BUTTON p. 30
4001 INP PHASE A LOSS p. 72
4002 INP PHASE B LOSS p. 72
4003 INP PHASE C LOSS p. 72
4004 AUTO TRANSFER p. 72
4005 EXT COMM ERR p. 72
4006 Selected by PAR 1620: RUN ENABLE DAMPER END VALVE OPENING PRE-LUBE CYCLE p. 72
4007 PCB TEMP p. 72
4008 DRIVE SETUP p. 73
4016 INP VOLTAGE LOW p. 74
4019 OVERRIDE 1 p. 74
4020 OVRD2 BYP p. 74
4021 START ENABLE 1 VIBRATION SWITCH FIRESTAT FREEZESTAT OVERPRESSURE VIBRATION TRIP SMOKE ALARM SAFETY OPEN LOW SUCTION PRES p. 74
4022 START ENABLE 2 VIBRATION SWITCH ... LOW SUCTION PRES p. 74
4023 START ENABLE 3 VIBRATION SWITCH ... LOW SUCTION PRES p. 74
4024 Selected by PAR 1624 START ENABLE 4 VIBRATION SWITCH ... LOW SUCTION PRES p. 75

Codes and descriptions are taken from the manufacturer’s manual; page numbers link to the PDF. ManualLib is not affiliated with ABB. Found a mistake? Report an error.