DIAGNOSTIC MENUDIAGNOSIS CAN/POWER LIGHTS CAB CLIMATE HYD ENGINE TRANSM BOOM ATTACH OP EXTRA RMI... DIAGNOSTIC CAN/POWERDIAGNOSIS LIGHTS CAB CLIMATE HYD ENGINE TRANSM BOOM ATTACH OP EXTR
Trang 1DIAGNOSTIC T34113_0839_0841
September 2006
Bintulu International Container Terminal (BICT)
Trang 2DIAGNOSTIC MENU
54145
Trang 3DIAGNOSTIC MENU
DIAGNOSIS CAN/POWER LIGHTS CAB CLIMATE HYD ENGINE TRANSM BOOM ATTACH
OP EXTRA RMI
Trang 4DIAGNOSTIC CAN/POWER
DIAGNOSIS LIGHTS CAB CLIMATE HYD ENGINE TRANSM BOOM ATTACH
OP EXTRA RMI
CAN/POWER
Trang 5CAN/POWER 1(21)
DIAG CAN/POWER 1(21)
PRESENT REDCAN STATUS
COMMUNICATION MODE 3
NUMBERS OF UNITS 4
SEGMENT ERROR 0
Trang 7CAN/POWER 3(21)
DIAG CAN/POWER 3(21)
PRESENT DRIVE-TRAIN CAN BUS STATUS
ENGINE 1TRANSMISSION 1
Trang 8CAN/POWER 4(21)
DIAG CAN/POWER 4(21)
IGNITION
KEY IN 3
RELAY K315-1 11
RELAY K315-2 11
Trang 9CAN/POWER 5(21)
DIAG CAN/POWER 5(21)
EMERGENCY STOP, SW 1
RELAY K3009-1 11
FEEDBACK 1
RELAY K3009-2 11
Trang 10CAN/POWER 6(21)
DIAG CAN/POWER 6(21)
790-1 CAB POWER 27.85V5V REF 5.00V
Trang 11CAN/POWER 7(21)
DIAG CAN/POWER 7(21)
790-1 CAB 24V SENSOR SUPPLY 1124V SUPPLY, RPM>500 11
Trang 12CAN/POWER 8(21)
DIAG CAN/POWER 8(21)
797-F FRAME POWER 27.98V
RED POWER Le 1 Ri 1
EME STOP POWER 1
Trang 13CAN/POWER 9(21)
DIAG CAN/POWER 9(21)
797-F FRAME 24V SENSOR SUPPLY 115V REF 5.00V
Trang 14CAN/POWER 10(21)
DIAG CAN/POWER 10(21)
797-R FRAME POWER 27.98VRED POWER Le 1 Ri 1
Trang 15CAN/POWER 11(21)
DIAG CAN/POWER 11(21)
797-R FRAME 24V SENSOR SUPPLY 11
5V REF 5.00V
Trang 16CAN/POWER 12(21)
DIAG CAN/POWER 12(21)
797-O FRAME POWER 0.00VRED POWER Le 0 Ri 0 EME STOP POWER 0
Trang 17CAN/POWER 13(21)
DIAG CAN/POWER 13(21)
797-0 FRAME 24V SENSOR SUPPLY 005V REF 0.00V
Trang 18CAN/POWER 14(21)
DIAG CAN/POWER 14(21)
795 DISPLAY RED POWER Le 1 Ri
1
Trang 19CAN/POWER 15(21)
DIAG CAN/POWER 15(21)
793 TRANSMISSION POWER 27.65VIGNITION POWER 27.65V SENSOR SUPPLY 8.00V
Trang 20CAN/POWER 16(21)
DIAG CAN/POWER 16(21)
791-1 ATTACHMENT POWER 27.92VRED POWER Le 1 Ri 1
Trang 21CAN/POWER 17(21)
DIAG CAN/POWER 17(21)
791-2 ATTACHMENT POWER 0.00VRED POWER Le 0 Ri 0 EME STOP POWER 0
Trang 22CAN/POWER 18(21)
DIAG CAN/POWER 18(21)
793-3 ATTACHMENT POWER 0.00VRED POWER Le 0 Ri 0
Trang 23CAN/POWER 19(21)
DIAG CAN/POWER 19(21)
791-4 ATTACHMENT POWER 0.00VRED POWER Le 0 Ri 0
Trang 24CAN/POWER 20(21)
DIAG CAN/POWER 20(21)
24V SENS SUP 791-1 11
24V SENS SUP 791-2 0024V SENS SUP 791-3 00 24V SENS SUP 791-4 00
Trang 26DIAGNOSTIC LIGHTS
DIAGNOSIS CAN/POWER CAB CLIMATE HYD ENGINE
TRANSM BOOM ATTACH
OP EXTRA RMI
LIGHTS
Trang 27LIGHTS 1(13)
DIAG LIGHTS 1(13)
WORKING LIGHT CAB SWITCH 0OUTPUT LE 01 RI 01
Trang 28LIGHTS 2(13)
DIAG LIGHTS 2(13)
WORKING LIGHT ATTACH SWITCH 0OUTPUT LE 01 RI 01OPTIONAL OUTPUT 00
Trang 29LIGHTS 3(13)
DIAG LIGHTS 3(13)
WORKING LIGHT BOOM SWITCH 0OUTPUT LE 01 RI 01OPTIONAL OUTPUT 00
Trang 30LIGHTS 4(13)
DIAG LIGHTS 4(13)MAIN LIGHT
SWITCH 0
Trang 31LIGHTS 5(13)
DIAG LIGHTS 5(13)
PRESENT OUTPUT SIGNAL SIDE-F LE 01 RI 01SIDE-R LE 01 RI 01REAR LE 01 RI 01
Trang 32LIGHTS 6(13)
DIAG LIGHTS 6(13)
HEAD LIGHTS SWITCH 0HEAD LE 01 RI 01DIMMED 01
Trang 33LIGHTS 7(13)
DIAG LIGHTS 7(13)
PRESENT INPUT SIGNAL HAZARD SWITCH 0FLASH SW LE 01 RI 01
Trang 35LIGHTS 9(13)
DIAG LIGHTS 9(13)
ROTATION BEACON SWITCH 0OUTPUT 01
Trang 36LIGHTS 10(13)
DIAG LIGHTS 10(13)
PRESENT INPUT SIGNAL BRAKE LIGHT SWITCH 0REVERSING LIGHT SIGNAL 0
Trang 37LIGHTS 11(13)
DIAG LIGHTS 11(13)
PRESENT OUTPUT SIGNAL BRAKE LIGHT LE 01 RI 01REVERSE LGT LE 01 RI 01REVERSE ALARM 01
Trang 38LIGHTS 12(13)
DIAG LIGHTS 12(13)
CAB LIGHT MANUAL SWITCH 0DOOR SWITCH 0OUTPUT 0
Trang 39LIGHTS 13(13)
DIAG LIGHTS 13(13)SIGNAL LIGHTS
OUTPUT 110
Trang 40DIAGNOSTIC CAB
DIAGNOSIS CAN/POWER LIGHTS CLIMATE HYD ENGINE TRANSM BOOM ATTACH
OP EXTRA RMI
CAB
Trang 41CAB 1(10)
DIAG CAB 1(10)
WASHER SWITCH 0OUTPUT FRONT LE 01 RI 01OUTPUT REAR-ROOF 0
Trang 42CAB 2(10)
DIAG CAB 2(10)
FRONT WASHER SWITCH (1-3) 0OUTPUT 01FEEDBACK 0
Trang 43CAB 3(10)
DIAG CAB 3(10)
REAR WASHER SWITCH 0OUTPUT 01FEEDBACK 0
Trang 44CAB 4(10)
DIAG CAB 4(10)
ROOF WASHER SWITCH 0OUTPUT 01FEEDBACK 0
Trang 45CAB 5(10)
DIAG CAB 5(10)
HORN SWITCH 0OUTPUT 01
Trang 46CAB 6(10)
DIAG CAB 6(10)
BUZZER SWITCH SEAT 0ALARM 0
OP 0
Trang 47CAB 7(10)
DIAG CAB 7(10)
FUEL SENSOR VALUE 60 ohm
PROC 14
Trang 48CAB 8(10)
DIAG CAB 8(10)
SEAT HEATER
SWITCH 0OUTPUT 00
Trang 49CAB 9(10)
DIAG CAB 9(10)
AUT LUBRICATION
CHASSIS OUTPUT 00
Trang 50CAB 10(10)
DIAG CAB 10(10)
AUT LUBRICATION
ATTACHMENT OUTPUT 01
Trang 51DIAGNOSTIC CLIMATE
DIAGNOSIS CAN/POWER LIGHTS CAB HYD ENGINE TRANSM BOOM ATTACH
OP EXTRA RMI
CLIMATE
Trang 52CLIMATE 1(8)
DIAG CLIMATE 1(8)
PRESENT INPUT SIGNAL REQUIRED TEMP 220PRESENT TEMP 227WATER VALVE FEEDB 0
Trang 53CLIMATE 2(8)
DIAG CLIMATE 2(8)
TEMP COIL 127
TEMP COOLANT 750TEMP AMBIENT 276TEMP DE-ICE 16
Trang 54CLIMATE 3(8)
DIAG CLIMATE 3(8)
PRESENT INPUT SIGNAL PRESSURE SWITCH 1OPT DOOR SWITCH 0
Trang 55CLIMATE 4(8)
DIAG CLIMATE 4(8)
PRESENT INPUT SIGNAL WATER VALVE 1.76VDRAUGHT VALVE
2.23V
Trang 56CLIMATE 5(8)
DIAG CLIMATE 5(8)
PRESENT INPUT SIGNAL REQUIRED TEMP 0.09VREQ DRAUGHT 0.01VREQ FAN SPEED 0.01V
Trang 57CLIMATE 6(8)
DIAG CLIMATE 6(8)
PRESENT INPUT SIGNAL FAN SPEED 134RECIRCULATION 01COMPRESSOR 10
Trang 58CLIMATE 7(8)
DIAG CLIMATE 7(8)
OUTPUT WATER VALVE CLOCKWISE 00 01ANTI-CLOCKWISE 00 01
Trang 59CLIMATE 8(8)
DIAG CLIMATE 8(8)
OUTPUT DRAUGHT VALVE CLOCKWISE 00 01ANTI-CLOCKWISE 00 01
Trang 60DIAGNOSTIC HYD
DIAGNOSIS CAN/POWER LIGHTS CAB CLIMATE ENGINE TRANSM BOOM ATTACH
OP EXTRA RMI
HYD
Trang 61HYD 1(6)
DIAG HYD 1(6)
HYDRAULIC OIL TEMP 38FAN 01
Trang 63HYD 3(6)
DIAG HYD 3(6)
PRESSURE LIFTING CYL
Le RiC- 0 0 C+ 3 3
Trang 64HYD 4(6)
DIAG HYD 4(6)
PRESSURE SWITCHES BRAKE PRESSURE 1BRAKE LIGHT PRESS 0DECLUTCH PRESSURE 0
Trang 65HYD 5(6)
DIAG HYD 5(6)
P-BRAKE SWITCH 1/0FEEDBACK SWITCH 0 VALVE 01
Trang 67DIAGNOSTIC ENGINE
DIAGNOSIS CAN/POWER LIGHTS CAB CLIMATE HYD
TRANSM BOOM ATTACH
OP EXTRA RMI
ENGINE
Trang 68ENGINE 1(9)
DIAG ENGINE 1(9)
PRESENT INPUT SIGNAL ACCELERATOR 1.09VREQUIRED SPD KCU 11REQUIRED SPD TCU 840
Trang 69ENGINE 2(9)
DIAG ENGINE 2(9)
PRESENT INPUT SIGNAL ENGINE SPEED EDC 700ENGINE SPEED TCU 700
Trang 70ENGINE 3(9)
DIAG ENGINE 3(9)
PRESENT INPUT SIGNAL PRESENT TORQUE 14REQUIRED TORQUE 14PRES TORQUE @ RPM 20
Trang 71ENGINE 4(9)
DIAG ENGINE 4(9)
PRESENT INPUT SIGNAL PREHEAT SWITCH 0CRANK ENGINE SWITCH 0D+ 0
Trang 72ENGINE 5(9)
DIAG ENGINE 5(9)
PRESENT OUTPUT SIGNAL PREHEAT 0CRANE ENGINE 0
Trang 73ENGINE 6(9)
DIAG ENGINE 6(9)
PRESENT INPUT SIGNAL OIL PRESSURE 3.6BOOST PRESSURE 0OIL LEVEL 102
Trang 74ENGINE 7(9)
DIAG ENGINE 7(9)
PRESENT INPUT SIGNAL OIL TEMP 76COOLANT TEMP 75INTAKE MAIN TEMP 45
Trang 75ENGINE 8(9)
DIAG ENGINE 8(9)
PRESENT EDC ERROR
NR OF EDC ERROR 0SPN 0FMI 0
Trang 76ENGINE 9(9)
DIAG ENGINE 9(9)FUEL CONSUMPTION
MOMENTARILY l/h 6
Trang 77DIAGNOSTIC TRANSM
DIAGNOSIS CAN/POWER LIGHTS CAB CLIMATE HYD ENGINE BOOM ATTACH
OP EXTRA RMI
TRANSM
Trang 78TRANSM 1(14)
DIAG TRANSM 1(14)
PRESENT INPUT SIGNAL BRAKE PEDAL 0.00VDECLUTCH SWITCH 0DECLUTCH PRESS SW 0
Trang 79TRANSM 2(14)
DIAG TRANSM 2(14)
SWITCHES FORWARD 0REVERSE 0SHIFT MODE 4
Trang 80TRANSM 3(14)
DIAG TRANSM 3(14)
PRESENT VALUE FORWARD 0REVERSE 0GEAR 2
Trang 81TRANSM 4(14)
DIAG TRANSM 4(14)
OPERATING STATE AUTO/MAN MODE 1WARNING 0OPERATING MODE 0
Trang 82TRANSM 5(14)
DIAG TRANSM 5(14)
OPERATING STATE SHIFT IN PROGRESS 0FAULT 0OLD FAULT 0
Trang 83TRANSM 6(14)
DIAG TRANSM 6(14)
DRUM SPEED 0 Hz
OUTPUT SPEED 0 HzENGINE SPEED 1040 HzTURBINE SPEED 488 Hz
Trang 84TRANSM 7(14)
DIAG TRANSM 7(14)
OUTPUT STATUS RSP DRIVE 112/4 VFS SELECTION 11/3 VFS SELECTION 1
Trang 85TRANSM 8(14)
DIAG TRANSM 8(14)
FWD SUPPLY 0
REVERSE SUPPLY 02/4 SUPPLY 11/3 SUPPLY 0
Trang 86TRANSM 9(14)
DIAG TRANSM 9(14)
FWD FEEDBACK 996mA
REV FEEDBACK 996mA
2/4 FEEDBACK 8mA1/3 FEDBACK 996mA
Trang 87TRANSM 10(14)
DIAG TRANSM 10(14)
PRESENT SENSOR INPUT PRESS FEEDBACK 1159 ohmTRANSM TEMP 3867 mVCOOLER TEMP 2500 mV
Trang 88TRANSM 11(14)
DIAG TRANSM 11(14)
PRESENT VALUE AXLE RATIO 27320RADIUS 792SPEED LIMITx10 48
Trang 89TRANSM 12(14)
DIAG TRANSM 12(14)
NOT USED
Trang 91TRANSM 14(14)
DIAG TRANSM 14(14)
CONVERTER STATUS (Nm)
TORQUE IMPELLER 47TORQUE TURBINE 40
Trang 92DIAGNOSTIC BOOM
DIAGNOSIS CAN/POWER LIGHTS CAB CLIMATE HYD ENGINE TRANSM ATTACH
OP EXTRA RMI
BOOM
Trang 93BOOM 1(8)
DIAG BOOM 1(8)
PRESENT INPUT SIGNAL BOOM UP/DOWN 2.47VBOOM IN/OUT 2.46V
Trang 94BOOM 2(8)
DIAG BOOM 2(8)
BLOCK VALVE UP/DOWN LE 01 RE 01IN/OUT 01RELIEVE PRESS IN 01
Trang 95BOOM 3(8)
DIAG BOOM 3(8)
BOOM HIGH SPEED
UP LE 01 RI 01OUT 01
Trang 96BOOM 4(8)
DIAG BOOM 4(8)
OUTPUT BOOM UP REFERENCE 00REQUIRED VALUE 0 mAFEEDBACK 12 mA
Trang 97BOOM 5(8)
DIAG BOOM 5(8)
OUTPUT BOOM DOWN REFERENCE 00REQUIRED VALUE 0 mAFEEDBACK 12 mA
Trang 98BOOM 6(8)
DIAG BOOM 6(8)
OUTPUT BOOM IN REFERENCE 00REQUIRED VALUE 0 mAFEEDBACK 0 mA
Trang 99BOOM 7(8)
DIAG BOOM 7(8)
OUTPUT BOOM OUT REFERENCE 00REQUIRED VALUE 0 mAFEEDBACK 2 mA
Trang 101DIAGNOSTIC ATTACH
DIAGNOSIS CAN/POWER LIGHTS CAB CLIMATE HYD ENGINE TRANSM BOOM
OP EXTRA RMI
ATTACH
Trang 102ATTACH 1(22)
DIAG ATTACH 1(22)
PRESENT INPUT SIGNALS ROT CW/ CCW 2.47VTILT IN/ OUT 0.00V
Trang 103ATTACH 2(22)
DIAG ATTACH 2(22)
PRESENT INPUT SIGNALS SIDE SHIFT LE 0 RI 0PISTOL 030/ 35 STOP 0
Trang 104ATTACH 3(22)
DIAG ATTACH 3(22)
PRESENT INPUT SIGNALS LOCK TW 1UNLOCK TW 0BY-PASS HEIGHT 0
Trang 105ATTACH 4(22)
DIAG ATTACH 4(22)
PRESENT INPUT SIGNALS TILT LOCKING 0LEVELLING LOCKING 0OPTIONAL 0
Trang 106ATTACH 5(22)
DIAG ATTACH 5(22)
PRESENT INPUT SIGNALS LOW SPEED 20/40 130/35 STOP 0EXTENSION 60CM 0
Trang 107ATTACH 6(22)
DIAG ATTACH 6(22)
PRESENT INPUT SIGNALS ALIGNMENT LE RI FRONT 0 0REAR 0 0
Trang 108ATTACH 7(22)
DIAG ATTACH 7(22)
PRESENT INPUT SIGNALS
LE RILOCK TW 0 0UNLOCK TW 1 1
Trang 109ATTACH 8(22)
DIAG ATTACH 8(22)
PRESENT OUTPUT SIGNAL SIDE SHIFT LEFT 01SIDE SHIFT RIGHT 01
Trang 110ATTACH 9(22)
DIAG ATTACH 9(22)
PRESENT OUTPUT SIGNAL LOCK TW 01UNLOCK TW 01
Trang 111ATTACH 10(22)
DIAG ATTACH 10(22)
PRESENT OUTPUT SIGNALS IND LOCKED TW 01IND UNLOCKED TW 11IND ALIGNMENT 01
Trang 112ATTACH 11(22)
DIAG ATTACH 11(22)
OUTPUT ROTATION C.W
REFERENCE 00REQUIRED VALUE 0 mAFEEDBACK 0 mA
Trang 113ATTACH 12(22)
DIAG ATTACH 12(22)
OUTPUT ROTATION C.C.W REFERENCE 00REQUIRED VALUE 0 mAFEEDBACK 0 mA
Trang 114ATTACH 13(22)
DIAG ATTACH 13(22)
OUTPUT SPREADER OUT REFERENCE 00REQUIRED VALUE 0 mAFEEDBACK 0 mA
Trang 115ATTACH 14(22)
DIAG ATTACH 14(22)
OUTPUT SPREADER IN REFERENCE 00REQUIRED VALUE 0 mAFEEDBACK 0 mA
Trang 116ATTACH 15(22)
DIAG ATTACH 15(22)
PRESENT OUTPUT SIGNAL TILT LOCKING 1 00TILT LOCKING 2 00BUZZER AUTO 20-40 00
Trang 117ATTACH 16(22)
DIAG ATTACH 16(22)
OUTPUT TILT OUT REFERENCE 00REQUIRED VALUE 0 mAFEEDBACK 0 mA
Trang 118ATTACH 17(22)
DIAG ATTACH 17(22)
OUTPUT TILT IN REFERENCE 00REQUIRED VALUE 0 mAFEEDBACK 0 mA
Trang 119ATTACH 18(22)
DIAG ATTACH 18(22)
PRESENT OUTPUT SIGNAL LOCK LEVELLING 00LOCK LEVELLING 1 00LOCK LEVELLING 2 00
Trang 120ATTACH 19(22)
DIAG ATTACH 19(22)
OUTPUT LEVELLING RI REFERENCE 00REQUIRED VALUE 0 mAFEEDBACK 0 mA
Trang 121ATTACH 20(22)
DIAG ATTACH 20(22)
OUTPUT LEVELLING LE REFERENCE 00REQUIRED VALUE 0 mAFEEDBACK 0 mA
Trang 124DIAGNOSTIC OP
DIAGNOSIS CAN/POWER LIGHTS CAB CLIMATE HYD ENGINE TRANSM BOOM ATTACH EXTRA RMI OP
Trang 125OP 1(6)
DIAG OP 1(6)
PRESENT INPUT SIGNAL STEERING AXLE 11BOOM ANGLE 0EXTENSION 1
Trang 126OP 2(6)
DIAG OP 2(6)PRESENT INPUT SIGNAL
BY-PASS 0
Trang 127OP 3(6)
DIAG OP 3(6)
PRESENT INPUT SIGNAL LIFT CYL LE RIC- 0.49V 0.49VC+ 0.87V 0.87V
Trang 128OP 4(6)
DIAG OP 4(6)
PRESENT INPUT SIGNAL BOOM ANGLE 0.42VBOOM EXTENSION 0.49V
Trang 129OP 5(6)
DIAG OP 5(6)
ALLOWED LOAD 00 kg
PRESENT LOAD 00 kgLOAD STR ANGLE 00 kg LOAD-CENTER 0.00 m
Trang 130OP 6(6)
DIAG OP 6(6)
BOOM ANGLE -3
EXTENSION 0BOOM HEIGHT 443 BOOM HEIGHT NOSE 288
Trang 131DIAGNOSTIC EXTRA
DIAGNOSIS CAN/POWER LIGHTS CAB CLIMATE HYD ENGINE TRANSM BOOM ATTACH
OP RMI EXTRA
Trang 132DIAGNOSTIC COMBI
DIAGNOSIS EXTRA SLIDING-CAB SUPPORT-JACKS
EL-STEERING
COMBI
Trang 133COMBI 1(17)
DIAG COMBI 1(17)
SWITCHES FRONT LEG UP/ DOWN 0/0REAR LEG UP/ DOWN 0/0CLAMP IN/ OUT 0/0
Trang 139COMBI 7(17)
DIAG COMBI 7(17)
INDICATION LAMPS ALIGNMENT
FRONT LE 00 RI 00 REAR LE 00 RI 00
Trang 140COMBI 8(17)
DIAG COMBI 8(17)
INDICATION LAMPS CLAMP
FRONT 00REAR 00
Trang 141COMBI 9(17)
DIAG COMBI 9(17)INDICATION LAMPS
FRONT LEGS UP 00REAR LEGS DOWN 00
Trang 146COMBI 14(17)
DIAG COMBI 14(17)
SEQUENCE MODE
LE RI FRONT 0 0REAR 0 0
Trang 147COMBI 15(17)
DIAG COMBI 15(17)
PRESENT OUTPUT SIGNAL CLAMP LE RIOUT 00 00
IN 00 00
Trang 149COMBI 17(17)
DIAG COMBI 17(17)FORCE CONTROL (+/-)
0: VALVE
Trang 150DIAGNOSTIC EXTRA
DIAGNOSIS CAN/POWER LIGHTS CAB CLIMATE HYD ENGINE TRANSM BOOM ATTACH
OP RMI EXTRA
Trang 151DIAGNOSTIC SLIDING-CAB
DIAGNOSIS EXTRA COMBI
SUPPORT-JACKS EL-STEERING
SLIDING-CAB
Trang 152SLID-CAB 1(4)
DIAG SLID-CAB 1(4)
SWITCHES
FORWARD 0
REVERSE 0
OPENED DOORS 0
Trang 153SLID-CAB 2(4)
DIAG SLID-CAB 2(4)
PRESENT INPUT SIGNAL LOW SPEED 0CAB DOWN (LIFT) 0
Trang 154SLID-CAB 3(4)
DIAG SLID-CAB 3(4)
OUTPUT FORWARD REFERENCE 00
REQUIRED VALUE 0 mAFEEDBACK 0 mA
Trang 155SLID-CAB 4(4)
DIAG SLID-CAB 4(4)
OUTPUT REVERSE REFERENCE 00
REQUIRED VALUE 0 mAFEEDBACK 0 mA