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00248 CONFIG MODE / HP2 ERROR
• ACTIVATION: EEPROM Configuration is out of range.
• UNIT CONTROL: Engine and Electric Operation: Shutdown and alarm.
• RESET CONDITION: Auto reset only when valid info is entered.
NOTE: Follow the steps below until a problem is found. Once a repair or correction has been made, clear the
alarm(s). (Refer to Note 1 in Notes Section, page 7-2.) 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 microprocessor
a. Check setpoint setting. Must be between -22 and +90°F (-30 and +32°C).
b. Check Functional Parameters. All settings must be valid.
2. Check Software Revision
a. Check microprocessor software revision. Upgrade to the latest revision of software. The latest
revision may contain Configurations that were not present in older revisions.
b. Check Functional Parameters All settings must be valid. Send desired settings to microprocessor
using the latest version of TRU−Tech a USB data transfer device. (Do NOT use the display mounted
keys.)
c. Check Configurations All settings must be valid. Send desired settings to microprocessor using the
latest version of TRU−Tech a USB data transfer device. (Do NOT use the display mounted keys.)
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. Alarm 00248 remains active. Download data and replace the main microprocessor module (MM).
Refer to Section 5.5.
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