Maintenance-Log-Page.md

@@ -2,6 +2,10 @@ This page is intended to log all regular maintenance and repair for the Stoll Kn
 The Stoll knitting machine was installed January 2020 
 
 
+**15-11-2021**
+the 'backup battery error' became very frequent. the 4x battery cells have been replaced by new ones
+
+
 **08-01-2021** 
 -Replaced ~10 needles, which broke due to too low stitch length when making full jersey fabric. should be around 12, instead of default setting for DB (9.5)
 - installed intarsia yarn feeders. One has gone defect and should be repared
@@ -44,4 +48,3 @@ Frequent 'Comb barrier light error'. Cleaning doesnt help. eventually rebooting
 **February 2020:** oiled the needle bed
 
 **January 2020:** Stoll knitting machine installed at IDE Labs
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