PRESTO OWNER’S MANUAL
Page 20
POWER STAK
69
External Supply Out of Range
None, unless a fault action is pro-
grammed in VCL.
1. External load on the 5V and 12V supplies draws either too much or too
little current.
2. Fault Checking Menu parameters Ext Supply Max and Ext Supply Min
are mis-tuned.
3. See Monitor menu Outputs: Ext Supply Current.
71
OS General
Shutdown Motor;
Shutdown Main Contactor;
Shutdown EM Brake;
Shutdown Throttle;
Shutdown Interlock;
Shutdown Driver1;
Shutdown Driver2;
Shutdown Driver3;
Shutdown Driver4;
Shutdown PD;
Full Brake;
Shutdown Pump.
1. Internal controller fault.
72
PDO Timeout
Shutdown Interlock;
CAN NMT State set to Pre-opera-
tional.
1. Time between CAN PDO messages received exceeded the PDO Timeout
Period.
73
Stall Detected
Shutdown EM Brake;
Shutdown Throttle;
Control Mode changed to LOS
(Limited Operating Strategy).
1. Stalled motor.
2. Motor encoder failure.
3. Bad crimps or faulty wiring.
4. Problems with power supply for the motor encoder.
5. See Monitor menu Motor: Motor RPM.
74
Fault On Other Traction Controller
Dual Drive fault: see Dual Drive manual.
75
Dual Severe Fault
Dual Drive fault: see Dual Drive manual.
87
Motor Characterization Fault
Shutdown Motor;
Shutdown Main Contactor;
Shutdown EM Brake;
Shutdown Throttle;
Full Brake;
Shutdown Pump.
1. Motor characterization failed during characterization process. See Moni
-
tor menu Controller: Motor Characterization Error for cause:
0=none
1=encoder signal seen, but step size not determined; set Encoder Step Size
manually
2=motor temp sensor fault
3=motor temp hot cutback fault
4= controller overtemp cutback fault
5=controller undertemp cutback fault
6=undervoltage cutback fault
7=severe overvoltage fault
8=encoder signal not seen, or one or both channels missing
9=motor parameters out of characterization range.
