102
Curtis 1222 Manual, os 15
2 9 J A N U A R Y 2 0 1 3 D R A F T
7 — DIAGNOSTICS & TROUBLESHOOTING
Table 6 TROUBLESHOOTING CHART, continued
FLASH SUB
CLEAR STEER TRACTION
CODE CODE
NAME
POSSIBLE CAUSE
SET CONDITION
CONDITION
FAULT ACTION
FAULT ACTION
22 1 Controller 1. Improper mounting or cooling Controller heatsink temperature is equal to Heatsink temp Warning Only. 2 = Reduce
Overtemp of controller. or above 85°C. < 85°C. speed.
2. Excessive load on vehicle. (Max speed
3. Controller operating in an extreme reduced linearly
environment. from 100% at
85°C to 0%
at 95°C.)
25 1
5V Supply External load impedance on the +5V 5V supply is outside the 5V +/- 10% range. Cycle KSI. Hold then 1 = Stop.
Failure supply is too low. Shutdown.
26 1
10V Supply External load impedance on the +10V 10V supply is outside the 10V +/- 10% range. Cycle KSI. Warning then 1 = Stop.
Failure supply is too low. Shutdown.
27 1 Severe Motor
1. Motor is operating in an extreme Sensor Enable = On and steer motor Cycle KSI. Warning then 1 = Stop.
Over Temp environment. temperature > programmed Temperature Max. Shutdown.
2. Motor Temperature Control parameters
are mis-tuned.
28 1 Motor Temp
1. Motor is operating in an extreme Sensor Enable = On and steer motor Steer motor Warning Only. 2 = Reduce
Hot Cutback environment. temperature > programmed Temperature Hot. temperature speed.
2. Motor Temperature Control parameters < programmed (Max speed
are mis-tuned. Temperature reduced linearly
Hot. from 100% at
Temperature
Hot to 0% at
Temperature
Max.)
29 1 Motor Temp
1. Motor thermistor is not connected Motor temperature input is at the voltage Motor temp Warning Only. 2 = Reduce
Sensor Fault properly. rail (0 or 5V). input within speed.
2. If the application does not use a motor the normal (Max speed
thermistor, the Motor Temperature operating range. reduced to
Sensor Enable parameter should Sensor Fault
be programmed Off. Traction
Cutback.)
31 1
Contactor 1. Open or short on driver load. Steer contactor driver is either open or Cycle KSI. Warning then 1 = Stop.
Open/Short 2. Dirty connector pins. shorted. This fault is set only when Shutdown.
3. Bad crimps or faulty wiring. Contactor Control Type = 1 and
Checks Enable = On.
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