Nuvera N1800V36, N1821V36, N1800V48, N1824V48 Diagnostic Troubleshooting Manual PDF

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Nuvera N1800V36, N1821V36, N1800V48, N1824V48 Fuel Cell System Diagnostic Troubleshooting Manual – PDF DOWNLOAD

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Nuvera N1800V36, N1821V36, N1800V48, N1824V48 Fuel Cell System Diagnostic Troubleshooting Manual – PDF DOWNLOAD

Language : English
Pages : 118
Downloadable : Yes
File Type : PDF

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TABLE OF CONTENTS:

Nuvera N1800V36, N1821V36, N1800V48, N1824V48 Fuel Cell System Diagnostic Troubleshooting Manual – PDF DOWNLOAD

DTC 516112 (FMI 31) (0x7E010)-Battery contactor, close 7
Diagnose and troubleshoot DTC 516112 7
DTC 516113 (FMI 17) (0x7E011)-Battery SOC low 10
Diagnose and troubleshoot DTC 516113 10
DTC 516113 (FMI 18) (0x7E011)-Battery SOC low 12
Diagnose and troubleshoot DTC 516113 12
DTC 516113 (FM 1) (0x7E011)-Battery SOC critically low 14
Diagnose and troubleshoot DTC 516113 14
DTC 516113 (FMI 0) (0x7E011)-Battery SOC critically high 16
Diagnose and troubleshoot DTC 516113 16
DTC 516113 (FMI 16) (0x7E011)-Battery SOC high 18
Diagnose and troubleshoot DTC 516113 18
DTC 516114 (FMI 0) (0x7E012)-Battery cell voltage critically high 20
Diagnose and troubleshoot DTC 516114 20
DTC 516114 (FM 16) (0x7E012)-Battery cell voltage high 21
Diagnose and troubleshoot DTC 516114 21
DTC 516114 (FMI 18) (0x7E012)-Battery cell voltage low 22
Diagnose and troubleshoot DTC 516114 22
DTC 516114 (FMI 1) (0x7E012)-Battery cell voltage critically low 23
Diagnose and troubleshoot DTC 516114 23
DTC 516115 (FM 0) (0x7E013)-Battery cell temperature critically high 24
Diagnose and troubleshoot DTC 516115 24
DTC 516115 (FM 16) (0x7E013)-Battery cell temperature high 25
Diagnose and troubleshoot DTC 516115 25
DTC 516115 (FM 15) (0x7E013)-Battery cell temperature moderately high 26
Diagnose and troubleshoot DTC 516115 26
DTC 516115 (FMI 18) (0x7E013)-Battery cell temperature low 27
Diagnose and troubleshoot DTC 516115 27
DTC 516115 (FMI 1) (0x7E013)-Battery cell temperature critically low 28
Diagnose and troubleshoot DTC 516115 28
DTC 516116 (FM 31) (0x7E014)-BMS fault 29
Diagnose and troubleshoot DTC 516116 29
DTC 516117 (FMI 31) (0x7E015)-BMS Communication error 30
Diagnose and troubleshoot DTC 516117 30
DTC 516128 (FM 1) (0x7E020)-Tank pressure critically low 32
Diagnose and troubleshoot DTC 516128 32
Contents
Nuvera® Fuel Cell System
Diagnostic Troubleshooting Manual
I www nuvera com
Diagnostic troubleshooting codes
DTC 516128 (FMI 18) (0x7E020)-Tank pressure low 34
Diagnose and troubleshoot DTC 516128 34
DTC 516145 (FMI 0) (0x7E031)-FCS stack, anode pressure critically high 36
Diagnose and troubleshoot DTC 516145 36
DTC 516145 (FMI 16) (0x7E031)-FCS stack, anode pressure high 39
Diagnose and troubleshoot DTC 516145 39
DTC 516145 (FMI 1) (0x7E031)-FCS stack, anode pressure critically low 42
Diagnose and troubleshoot DTC 516145 42
DTC 516145 (FMI 18) (0x7E031)-FCS stack, anode pressure low 45
Diagnose and troubleshoot DTC 516145 45
DTC 516146 (FMI 31) (0x7E032)-DCDC Converter, Current mismatch error 48
Diagnose and troubleshoot DTC 516146 48
DTC 516147 (FMI 31) (0x7E033)-DCDC Converter, Communication error 49
Diagnose and troubleshoot DTC 516147 49
DTC 516148 (FMI 31) (0x7E034)-DCDC Converter, Forward enable fault 50
Diagnose and troubleshoot DTC 516148 50
DTC 516149 (FMI 0) (0x7E035)-FCS Stack temperature critically high 51
Diagnose and troubleshoot DTC 516149 51
DTC 516149 (FMI 16) (0x7E035)-FCS Stack temperature high 53
Diagnose and troubleshoot DTC 516149 53
DTC 516150 (FMI 0) (0x7E036)-FCS Stack cell voltage critically high 55
Diagnose and troubleshoot DTC 516150 55
DTC 516150 (FMI 16) (0x7E036)-FCS Stack cell voltage high 57
Diagnose and troubleshoot DTC 516150 57
DTC 516150 (FMI 1) (0x7E036)-FCS Stack cell voltage critically low 59
Diagnose and troubleshoot DTC 516150 59
DTC 516150 (FMI 18) (0x7E036)-FCS Stack cell voltage low 61
Diagnose and troubleshoot DTC 516150 61
DTC 516152 (FMI 0) (0x7E038)-FCS Stack Coolant pressure critically low 63
Diagnose and troubleshoot DTC 516152 63
DTC 516152 (FMI 18) (0x7E038)-FCS Stack Coolant pressure low 64
Diagnose and troubleshoot DTC 516152 64
DTC 516176 (FMI 31) (0x7E050)-Coolant system, pump controller communication error 65
Diagnose and troubleshoot DTC 516176 65
DTC 516177 (FMI 4) (0x7E051)-Coolant system, Stack inlet temp voltage low or shorted to ground
66
Diagnose and troubleshoot DTC 516177 66
Contents
Nuvera® Fuel Cell System
Diagnostic Troubleshooting Manual
II www nuvera com
Diagnostic troubleshooting codes
DTC 516177 (FMI 3) (0x7E051)-Coolant system, Stack inlet temp voltage high or shorted to high
source 67
Diagnose and troubleshoot DTC 516177 67
DTC 516178 (FMI 4) (0x7E052)-Coolant system, Stack outlet temp voltage low or shorted to ground
68
Diagnose and troubleshoot DTC 516178 68
DTC 516178 (FMI 3) (0x7E052)-Coolant system, Stack outlet temp voltage high or shorted to high
source 69
Diagnose and troubleshoot DTC 516178 69
DTC 516192 (FMI 31) (0x7E060)-Cathode system, compressor controller communication error 71
Diagnose and troubleshoot DTC 516192 71
DTC 516193 (FMI 31) (0x7E061)-Cathode system, flow measurement error 73
Diagnose and troubleshoot DTC 516193 73
DTC 516097 (FMI 31) (0x7E001)-Distributed IO, Communication error 75
Diagnose and troubleshoot DTC 516097 75
DTC 516098 (FMI 0) (0x7E002) or 516100 (FMI 0) (0x7E004)-LFL critically high 76
Diagnose and troubleshoot DTC 516098 or DTC 516100 76
DTC 516098 (FMI 16) (0x7E002) or 516100 (FMI 16) (0x7E004)-LFL high 77
Diagnose and troubleshoot DTC 516098 (Sensor 1) or 516100 (Sensor 2) 77
DTC 516098 (FMI 15) (0x7E002) or 516100 (FMI 15) (0x7E004)-LFL above normal range 78
Diagnose and troubleshoot DTC 516098 (Sensor 1) or 516100 (Sensor 2) 78
DTC 516098 (FHI 3) (0x7E002) or 516100 (FHI 3) (0x7E004)-LFL high or shorted to high source 79
Diagnose and troubleshoot DTC 516098 (Sensor 1) or 516100 (Sensor 2) 79
DTC 516098 (FMI 4) (0x7E002) or 516100 (FMI 4) (0x7E004)-LFL low or shorted to low source 80
Diagnose and troubleshoot DTC 516098 (Sensor 1) or 516100 (Sensor 2) 80
DTC 516098 (FMI 12) (0x7E002) or 516100 (FMI 12) (0x7E004)-LFL Bad intelligent device or
component 81
Diagnose and troubleshoot DTC 516098 (Sensor 1) or 516100 (Sensor 2) 81
DTC 516098 (FMI 14) (0x7E002) or 516100 (FMI 14) (0x7E004)-Special instructions 82
Diagnose and troubleshoot DTC 516098 (Sensor 1) or 516100 (Sensor 2) 82
DTC 516096 (FMI 31) (0x7E000)-E-stop active 83
Diagnose and troubleshoot DTC 516096 83
DTC 516099 (FMI 31)-SWS Loop Fault 85
Diagnose and troubleshoot DTC 516099 85
Observed symptoms
FCS will not turn on 86
Observed issue: 86
Contents
Nuvera® Fuel Cell System
Diagnostic Troubleshooting Manual
III www nuvera com
Observed symptoms
Possible cause 86
Observed issue: 86
Possible cause 86
Possible cause 86
Possible cause 87
FCS On, No DTC-No voltage from the main contactor 87
Observed issue: 87
Possible cause 87
Possible cause 87
Solution 87
Possible cause 87
Solution 87
Observed issue: 88
Possible cause 88
Possible cause 88
Solution 88
Possible cause 88
Solution 88
Possible cause 89
Solution 89
FCS is on, Fuel gauge does not function properly 89
Observed issue: 89
Possible cause 89
Observed issue: 91
Possible cause 91
Observed issue: 91
Possible cause 91
Observed issue: 91
FCS does not transmit data 91
Observed issue: 91
Possible cause 92
Observed issue: 92
Possible cause 92
Possible cause 92
Observed issue: 92
Possible cause 92
Observed issue: 93
Possible cause 93
Contents
Nuvera® Fuel Cell System
Diagnostic Troubleshooting Manual
IV www nuvera com
Observed symptoms
Possible cause 93
Possible cause 93
Excessive noise 93
Observed issue: 93
Possible cause 93
Odor/Smoke/Sparks/Flame 95
Observed issue: 95
Possible causes 95
Fluids leaking from FCS 96
Observed issue: 96
Possible causes 96
Piping and instrumentation and wiring diagrams
Wiring diagrams 98
ESS harness diagrams 106
Piping and instrumentation diagram 109

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