Differences

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--- on_sky_testing [2026/11/02 00:38] – holtz
+++ on_sky_testing [2026/11/02 01:19] (current) – holtz
@@ Line 1: / Line 1: @@
 ====October 31 2026====
-- QHY camera apparently recovered! although lots of ups and downs along the way, with it seeming to fail, but eventually got it working (not that software would keep turning it off until chiller fault was commented out). Replaced chiller with Coolance pump, at pump speed 8, seem to be able to achieve -20 C.
+- QHY camera apparently recovered! although lots of ups and downs along the way, with it seeming to fail, but eventually got it working (not that software would keep turning it off until chiller fault was commented out). Replaced chiller with Coolance pump, at pump speed 8, seem to be able to achieve -20 C at cooler power ~68%.
-- investigated watchdog system and recognized that perhaps relay trigger needs to be on for more than one second to trigger watchdog reset.Changed to 5 seconds and testing...
+- investigated watchdog system and recognized that perhaps relay trigger needs to be on for more than one second to trigger watchdog reset.Changed to 5 seconds and testing...seems to be holding.
 - cal fiber shutter not working due to apparent relay failure. Replaced LCUS relay with Noyito relay
-- swapped purple wire thermocouple for failed black wire thermocouple
+- swapped channel 1 purple wire thermocouple for failed black wire thermocouple. Note that the half of the cell that wasn't being heated was not achieving temperature; both channels apparently need to be enabled (I had previously disabled channel 1 because of the erratic sensor readings).
+- checked lower dome, wouldn't open at first, but did after pushing on latch. On first two closes, didn't trigger stop switch, but after that, it did
 ====October 20 2026====