Curtis PMC 1244 Manual
78
8— DIAGNOSTICS & TROUBLESHOOTING
Table 5
TROUBLESHOOTING CHART
LED
PROGRAMMER
FAULT
CODE
LCD DISPLAY
CATEGORY
EXPLANATION
POSSIBLE CAUSE
1,2
HW F A I L SA F E 1 - 2 - 3
1
self-test or watchdog fault
1. Controller defective.
M - SHOR T ED
1
internal M- short to B-
1. Controller defective.
F I E L D OPEN
1
field winding fault
1. Motor field wiring loose.
1,3
2. Motor field winding open.
ARM S ENSOR
1
armature current sensor fault
1. Controller defective.
F L D S ENSOR
1
field current sensor fault
1. Controller defective.
T HROT T L E F AU L T 1
1
wiper signal out of range
1. Throttle input wire open.
2. Throttle input wire shorted to B+ or B-.
2,1
T HROT T L E F AU L T 2
1
pot low fault
1. Throttle pot defective.
2. Wrong throttle type selected.
2,2
SRO
3
SRO fault
1. Improper sequence of KSI, interlock, and
direction inputs.
2. Wrong SRO type selected.
3. Interlock or direction switch circuit open.
4. Sequencing delay too short.
2,3
HPD
3
HPD fault
1. Improper seq. of direction and throttle inputs.
2. Wrong HPD type selected.
3. Misadjusted throttle pot.
4. Sequencing delay too short.
2,4
B B W I R I NG CHECK
1
emergency reverse wiring fault
1. Emergency reverse wire open.
2. Emergency reverse check wire open.
3,1
CON T DRVR OC
1
cont. driver output overcurrent
1. Contactor coil shorted.
3,2
MA I N CON T WE L DED
1
welded main contactor
1. Main contactor stuck closed.
2. Main contactor driver shorted.
3,3
PREC HARGE F AU L T
1
internal voltage too low at startup
1. Controller defective.
2. External short, or leakage path to B- on
external B+ connection.
M I S S I NG CON T AC TOR
1
missing contactor
1. Any contactor coil open or not connected.
3,4
MA I N CON T DNC
1
main contactor did not close
1. Main contactor missing or wire to coil open.
4,1
LOW B A T T ERY VO L T AGE
2
low battery voltage
1. Battery voltage <undervoltage cutback limit.
2. Corroded battery terminal.
3. Loose battery or controller terminal.
4,2
OVERVO L T AGE
2
overvoltage
1. Battery voltage >overvoltage shutdown limit.
2. Vehicle operating with charger attached.
3. Battery disconnected during regen braking.
4,3
T HERMA L CU T BACK
2
over-/under-temp. cutback
1. Temperature >85
°
C or < -25
°
C.
2. Excessive load on vehicle.
3. Improper mounting of controller.
4. Operation in extreme environments.
4,4
AN T I - T I EDOWN
3
Mode 2 or Mode 4 selected at
1. Mode switches shorted to B+.
startup
2. Mode switches “tied down” to select Mode 2
or Mode 4 permanently.
- 25 -
Содержание T-224
Страница 4: ...Instructions INSTRUCTIONS 4 ...
Страница 6: ...Maintenance MAINTENANCE 6 ...
Страница 20: ...Curtis Speed Controller CURTIS SPEED CONTROLLER 20 ...
Страница 28: ...Spare Parts SPARE PARTS 28 ...
Страница 30: ...Spare Parts FORD F 150 DIFFERENTIAL 30 ...
Страница 31: ...Spare Parts 31 ...
Страница 32: ...Spare Parts DIFFERENTIAL 32 ...
Страница 38: ...Spare Parts ELECTRICAL DIAGRAM SEPEX MAIN CIRCUIT DIAGRAMME ÉLECTRIQUE CIRCUIT PRINCIPAL SEPEX 38 ...
Страница 39: ...Spare Parts ACCESSORIES NO DC DC ONVERTER ACCESSOIRES SANS CONVERTISSEUR DC DC 39 ...
Страница 43: ...Spare Parts CONVERTER INSTALLATION 43 ...
Страница 45: ...Addendum ADDENDUM 45 ...