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--- en:appnote:an018 [2017/05/05 17:31] – created qem103
+++ en:appnote:an018 [2019/10/30 09:15] (current) – old revision restored (2017/05/05 17:43) qem202
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+====== Reset checksum error procedure on R201A ======
+The purpose of the following document is to integrate the procedure already described in the Hardware Manual of the [[en:Strumenti:MicroQmove:R201]] to pag. 22.
+==== R201 instrument normally in operation ====
+{{:appnote:an018:an018_5.jpg?500&nolink|}}
+==== QC043 instrument usually in operation ====
+{{:appnote:an018:an018_2.jpg?450&nolink|}}
+<html><pagebreak /></html>
+==== FUNC and BOOT keys ====
+{{:appnote:an018:an018_12.jpg?600&nolink|}}
+====System LEDs====
+{{:appnote:an018:an018_11.jpg?600&nolink|}}
+<html><pagebreak /></html>
+==== Procedure for error checksum reset of the r201====
+  * Instrument in error CHECKSUM: led **PWR** fixed, led **ERR** makes two flashes.
+{{:appnote:an018:an018_8.jpg?600&nolink|}}
+  * Restart the instrument by pressing and holding the **FUNC** key
+{{:appnote:an018:an018_7.jpg?300&nolink|}}
+  * So you enter in the system functions: led **PWR** on and led **L4** on.
+{{:appnote:an018:an018_9.jpg?600&nolink|}}
+  * Press the **BOOT** key for 2 seconds.
+{{:appnote:an018:an018_6.jpg?300&nolink|}}
+  * Start the error reset procedure: led **PWR** flashes.
+  * End the error reset procedure and the instrument restarts.
+  * NOTE: If, to end the **L4** and **ERR** LED lights up fixed manually restart the instrument.
+{{:appnote:an018:an018_10.jpg?600&nolink|}}
+  * To the end the R201 instrument return in run state
+{{:appnote:an018:an018_5.jpg?600&nolink|}}
+<html><pagebreak /></html>
+==== Error message checksum from QC043 ====
+  * If the R201 is in checksum error then  in the QC043 will appear the following screen:
+{{:appnote:an018:an018_13.jpg?450&nolink|}}
+  * Press the **F2** key on the panel to continue.
+{{:appnote:an018:an018_14.jpg?450&nolink|}}