The C1:PSL-MOPA_HTEMP variation is more than 0.5 C daily

Normally this temp stays well within 0.1 C

This 80 days plots shows that we have just entered this unstable region some days ago.

The control room temp set unchanged at 70 F, actual temp at ac-mon 69-70 with occasional peaks at 74 F

 

Water temp at chiller repeatedly around 20.6 C at 8 am

This should be rock solid at 20.00C +- 0.02C