8 — MAINTENANCE
1212 & 1212P Manual - Sep 2019
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pg. 40
8 — MAINTENANCE
ere are no user serviceable parts in Curtis 1212/1212P controllers. No attempt should be made
to open, repair, or otherwise modify the controller. Doing so may damage the controller and will
void the warranty. However, it is recommended that the controller’s fault history file be checked and
cleared periodically, as part of routine vehicle maintenance.
DIAGNOSTIC HISTORY
e handheld programmer can be used to access the controller’s fault history file. e programmer
will read out all the faults that the controller has experienced since the last time the history file was
cleared. e faults may be intermittent faults, faults caused by loose wires, or faults caused by operator
errors. Faults such as HPD or overtemperature may be caused by operator habits or by overloading.
Aer a problem has been diagnosed and corrected, clearing the history file is advisable. is allows
the controller to accumulate a new file of faults. By checking the new history file at a later date, you
can readily determine whether the problem was indeed completely fixed.
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