md file

external/lab/maintenance-of-fridges/maintenance-of-fridges.md

@@ -8,7 +8,7 @@ redirect_from:
 ---
 # Maintenance of fridges and freezers
 
-Routine maintenance of fridges and freezers prevents from issues and preserves integrity of samples. Performed regularly, it takes only a few minutes. The longer the interval between two freezer defrosting, the more difficult it will be as fresh ice is soft, while old ice becomes hard.
+Routine maintenance of fridges and freezers prevents from issues and preserves integrity of samples.
 
 - [How to disable a Rmoni sensor](#how-to-disable-a-rmoni-sensor)
 - [How to clean a fridge](#how-to-clean-a-fridge)
@@ -79,13 +79,28 @@ This section applies to the fridges from GRAM, models BioPlus and BioMidi.
 ### 2. Liebherr LKEXv / Liebherr LKPv
 This section applies to the LIEBHERR fridges (141 and 360 L and 600L) and to the fridge part of the combined fridge / freezers from LIEBHERR LC.
 <div align="center">
-<img src="img/img6.png" width="500">
+<img src="img/img6a.png" width="300">
 </div>
 
 -	The appliance defrosts automatically in Liebherr LKEXv fridges. The defrost water drains into a tray located below the evaporator. **Once per quarter**, the defrost water tray should be emptied and cleaned. Fill the maintenance form located on the door of the fridge.
 <div align="center">
 <img src="img/img7.png" width="150">
-</div
+</div>
+
+-	**Once a year**, the cabinet should be cleaned as follow:
+    -	24h before your maintenance, inform the Instrument Care team by sending [a ticket](https://service.uni.lu/sp?id=sc_cat_item&sys_id=6ea39fdbdbec38105c72ef3c0b96196a&sysparm_category=af924f17dbac38105c72ef3c0b96194b) and [disable the Rmoni sensor](#how-to-disable-a-rmoni-sensor)
+    - Switch off the fridge and pull out the main plug
+    -	Transfer the content of the fridge to another fridge and clean the inside with lukewarm water and mild detergent. **Ensure that no cleaning water penetrates into the electrical components of ventilation grids**
+    -	Dry the inside of the fridge
+    -	Reconnect the main plug and switch the fridge back on
+    -	Wait until the pre-set temperature is reached before transferring back the content of the fridge
+    -	Enable the Rmoni sensor and inform the Instrument Care team that you are finished and that everything is back to normal
+    -	Fill the maintenance form located on the door of the fridge
+
+<div align="center">
+<img src="img/img6b.png" width="240">
+</div>
+
 
 -	The freezers LIEBHERR LGPv (600 L) defrost automatically, and therefore, the user does not need to do it.
 -	**Once a year**, the cabinet should be cleaned as follow: