Thermo Scientific CryoPlus 7400 Series - How to Locate Access and Replace the Control Panel Key Switch - Instruction Sheet
This article explains how to locate, access, remove, and replace the control panel key switch on Cryo Plus 7400 Series LN2 storage units. It provides step-by-step procedures to open the panel, swap the switch, reconnect wiring, and test programming access and lock modes. Keywords: Cryo Plus 7400, LN2 storage, control panel, key switch replacement, wiring harness, retaining nut, alarm setpoint, lockout.
Description:
The attached docment provides step by step instructions on removal and replacement of control panel keyswitch on the CryoPlus 7400 Series.
Environment:
- Thermo Fisher Model 7400 Series CRYO Storage Systems
| CryoPlus 1 | 7400 |
| CryoPlus 2 | 7401 |
| CryoPlus 2 | 7402 |
| CryoPlus 3 | 7403 |
| CryoPlus 3 | 7405 |
| CryoPlus 4 | 7406 |
| CryoPlus 4 | 7407 |
Attachment(s):
| File | Last Modified |
|---|---|
| Cryo Plus 7400 Series - How to Locate, Access, and Replace the Control Panel Key Switch - Instructions.pdf | December 19, 2025 |