Motrec E-348, Руководство оператора и по техническому обслуживанию

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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.
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