9 — MAINTENANCE
pg. 85
Return to TOC Curtis Model 1226 – September 2019
9 — MAINTENANCE
ere are no user serviceable parts in the Curtis 1226 controller. Do not attempt 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
You can use a Curtis programming device to access the controller’s fault history file. e programming
device will read out all the faults that have occurred since the history file was last 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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