| Sterilizer Manufacturer: Tuttnauer |
| Model of Sterilizer: 2540 & 3870 EHS |
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Problem Title:
3870EHS low heat error. Pressure cal chked good but couldnt check temp cal |
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Problem Description:
Worked on this sterilizer for vacuum problem. Changed S93 and also replaced door bellows assy. Unit is passing vacuum test now and is sealed up pretty good but when I tried to run sterilize cycle will not get up to temp. Chamber will reach 271 deg at 29 psi with jacket pressure at 34 psi. Checked pressure cal but couldntcheck temp. Got test point board and 2 little connectors with resistors in them. thought that they might be for temp cal but when you disconnect temp probe and install them it doesnt show anything but "temp Probe Cut". Checked out S52,S73 and S74 when i was looking for vacuum leaks all looked to be ok. Dont know where temp reset is or which ssr is for what.Any help with this problem would be appreciated. You can email me at kmklott@alltel.net. THANKS |
| Reasons |
| 1. 271F temperature with 29 pressure reading is pretty good. They match each other well. |
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Solutions |
| 1. Please email me all failure cycles' print-out papers. I need to study these print out first before give you any advice. |
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