62-11640 7–82
00237 FUNCTION PARAMETERS ERROR
• ACTIVATION: There is an error in one or more of the Functional Parameters that are stored in the main
microprocessor memory.
• UNIT CONTROL: Engine and Electric Operation: Incorrect Functional Parameter(s) will be automatically
set for default value.
• RESET CONDITION: Auto reset when valid Functional Parameters are entered, or alarm may be manu-
ally reset by turning the unit off, then back on again.
NOTE: Follow the steps below until a problem is found. Once a repair or correction has been made, the active
alarm should clear itself (refer to reset condition above). Operate the unit through the appropriate modes to see
if any active alarm occurs. Continue with the steps below as necessary.
CORRECTIVE ACTIONS:
1. Check Functional Parameters
Check Functional Parameters. All must be set for selectable values.
2. Check Software Version
Check microprocessor Software version. Upgrade to the latest version of software. Newer versions
may contain functional parameters that were not present in older versions of microprocessor soft-
ware. Refer to Section 5.3.4.
3. Reset Microprocessor
a. Place the START/RUN-OFF switch in the OFF position. Disconnect positive battery cable, remove
F7 fuse or unplug 1MM connector, wait 20 seconds and reinstall. Then place the START/RUN-
OFF back in the START/RUN position. The microprocessor powers up OK and the latest setpoint
appears in the display.
b. Check for valid Functional Parameters in Functional Parameters List. Valid number is set for all
parameters. Alarm is cleared.
c. Valid Functional Parameter(s) can not be entered and alarm remains active. Download data and
replace the main microprocessor module (MM). Refer to Section 5.5.
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