Curtis Instruments MultiMode 1230 User Manual

56
Curtis 1230 Manual, Rev. C
7 — DIAGNOSTICS & TROUBLESHOOTING
Table 5 TROUBLESHOOTING CHART
PROGRAMMER
CODE
LCD DISPLAY
EXPLANATION
POSSIBLE CAUSE
1,2 Motor Speed Encoder Motor speed encoder pulses 1. Incorrect encoder wiring.
are not correct. 2. Controller defective.
Motor Failsafe
Motor stalled, or motor turning 1. Incorrect encoder wiring.
faster than desired. 2. Motor blocked.
3. Insufficient braking torque.
4. Motor control P Gain and I Gain
settings too low.
5. Failsafe delay too short.
1,3 Motor Overcurrent
Motor phase overcurrent. 1. Incorrect motor wiring.
2. Controller defective.
Motor Output Fault
Motor output protection feature 1. Incorrect motor wiring.
has been triggered. 2. Controller defective.
1,4 Static Return To Off
SRO sequencing error. 1. Improper sequence of KSI, interlock,
and direction inputs.
2. Wrong SRO type selected.
3. Misadjusted throttle pot.
4. Direction switch open.
5. Sequencing delay too short.
6. Wrong throttle type selected.
2,1 Throttle Wiper High Throttle wiper voltage is too high. 1. Throttle input wire shorted to B+.
2. Defective throttle pot.
3. Wrong throttle type selected.
4. Incorrect speed limit pot wiring.
2,2 Emergency Reverse Wiring Open Emergency reverse wiring fault. 1. Emerg. Rev. wire or check wire broken.
2,3 High Pedal Disable
HPD sequencing error. 1. Improper sequence of KSI, interlock,
and throttle inputs.
2. Wrong HPD type selected.
3. Misadjusted throttle pot.
4. Interlock switch open.
5. Sequencing delay too short.
6. Wrong throttle type selected.
2,4 Throttle Wiper Low Throttle wiper voltage is too low. 1. Throttle input wire shorted to B-.
2. Defective throttle pot.
3. Wrong throttle type selected.
3,1 Multiplexer Fault
Tiller multiplexer error. 1. MUX card not plugged in.
2. MUX not wired properly.
3. MUX card defective.
3,2
Main Contactor Missing or welded main contactor. 1. Main contactor coil open.
2. Main contactor missing.
3. Wire to main contactor missing.
4. Main contactor stuck closed.
5. Main contactor driver shorted.
Precharge Precharge fault. 1. Controller defective.
2. Low battery voltage.

Curtis Instruments MultiMode 1230 Specifications

General

Brand	Curtis Instruments
Model	MultiMode 1230
Category	Controller
Language	English