Trouble Shooting
1) Calibrator is not reaching set value.
Check mains for full voltage.
2) Calibrator temperature is running over.
Check terminal 1 &2 of SSR for getting short for ever. If it is short replace it.
Check for correct polarity in your mains plug. Phase should go through SSR as per design. If
phase is not routed through SSR It may not control the temperature.
3) Chamber is not not getting on.
Check mains.
Check fuse.
Check tightness of all terminals on controller & main terminal strip.
4) Chamber temperature not getting stable.
Check fan at the bottom cover it should be running.
Need turning off controller.