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dishwasher-utilization-and-maintenance/dishwasher-utilization-and-maintenance.md

+---
+layout: page
+permalink: /internal/dishwasher-utilization-and-maintenance/
+---
+
+# Dishwasher utilization and maintenance
+
+Utilization of the Miele dishwashers on the 5th floor of BT1 and on the 1st floor of BT2.
+
+## 1. Description
+
+<div align="center">
+<img src="img/../dishwasher_img_1.jpg" height="400">
+</div>
+
+1. Control panel
+2. Serial interface
+3. Water intake
+4. Sensor access for validation
+5. Salt container port
+6. Filter combination
+7. Service panel
+8. Containers for DOS 2 and DOS 4 dispensing systems (optional)
+9. DOS drawer
+10. Containers for neutralize (red) and liquid detergent (blue)
+11. Drying unit
+12. Reset button
+
+<div align="center">
+<img src="img/../dishwasher_img_2.jpg" height="200">
+</div>
+1. On/Off button
+2. Door release
+3. Display
+4. Optical interface
+5. Start button
+6. Clear button
+7. Selection button: up
+8. OK button
+9. Selection button: down
+
+## 2. Utilization
+
+### **1. Loading the dishwasher**
+
+1. Ensure that no acid or solvent residues, especially hydrochloric acid or chlorides, get inside the machine
+2. Empty all glassware before loading into the machine
+3. Remove all agar residues
+4. Remove all labels, sealing was residues and handwritten text on the bottles
+5. Small parts should be secured in basket inserts
+6. Load your items on the tray
+7. Close the door
+
+### **2. Selecting a program and running the dishwasher**
+
+1. Click on <img src="img/../dishwasher_img_3.jpg"> to switch on the instrument
+2. Select the “Chemistry Bio” program using the up and down arrows
+
+    <div align="center">
+    <img src="img/../img/../dishwasher_img_4.jpg">
+    </div>
+
+3. Click on <img src="img/../dishwasher_img_5.jpg">  to start the program
+
+### **3. Cancel a program during run**
+
+1. To cancel the program, click on <img src="img/../dishwasher_img_6.jpg">
+2. The program is then interrupted
+3. At water temperatures below 40°C, the following message appears on the display: “Program cancel (OK) or Continue (Clear)?”
+4. At water temperatures above 40°C, the following message appears on the display: “Cancel program (OK)”
+5. Confirm the program cancellation with <img src="img/../dishwasher_img_7.jpg">
+6. The following message appears on the display: “Program cancelled. Water drainage”
+7. After the water has drained away, the program list returns to the display
+
+### **4. Unloading**
+
+1. When the program is finished, the message “End of program” is displayed on the screen
+2. Click on <img src="img/../dishwasher_img_8.jpg"> to open the door
+3. Unload the tray and store the items in the cupboards
+
+## 3. Maintenance
+
+### **1. Reactivation**
+1. This section is available in the dishwasher room
+2. If the display shows “Reactivation”, salt needs to be added to the dishwasher **directly when the message appears! Do not run a cycle when reactivation is needed!**
+3. Material needed: salt and container
+    <div align="center">
+    <img src="img/../dishwasher_img_9.jpg" height="200">
+    </div>
+
+4. To fill the container, unscrew and remove the filter insert from the container
+    <div align="center">
+    <img src="img/../dishwasher_img_10.jpg" height="200">
+    </div>
+
+5. Completely fill the salt container with reactivation salt (Miele, 7785780;LIMS ID: 3278) and replace the filter insert. The reactivation will only be effective if the container is completely full.
+
+    <div align="center">
+    <img src="img/../dishwasher_img_11.jpg" height="300">
+    </div>
+
+6. Remove any mobile racks from the dishwasher cabinet
+    <div align="center">
+        <img src="img/../dishwasher_img_12.jpg" height="250">
+    </div>
+
+7. Unscrew the plastic cap located at the top right-hand of the cabinet. A small amount of residual water will be in the cap. Take care, as it might be hot from the previous program.
+    <div align="center">
+        <img src="img/../dishwasher_img_13.jpg" height="300">
+    </div>
+
+8. Screw the salt container firmly onto the socket
+    <div align="center">
+    <img src="img/../dishwasher_img_14.jpg" height="300">
+    </div>
+
+9. Close the door
+10. Select and start the “Reactivation” program
+11. The system will automatically perform the reactivation
+12. When the cycle is finished, open the door
+13. Carefully unscrew the salt container in order to allow any water pressure to subside. Do not use force, if the container cannot be removed manually, contact the lab maintenance team
+14. The salt container must be emptied in the sink
+15. Screw the softener lid back on
+16. Insert the mobile unit
+17. Wash and rinse the salt container and filter cap with clear water
+
+**Notes**:
+
+* BT1: the salt is stored in the lower cupboard next to the right dishwasher
+
+* BT2: some boxes are available in the cupboard above the sink and the main stocks are in the -2 stock room
+
+### **2. Routine checks**
+
+#### 1. The filters in the base of the wash cabinet
+
+1.	The filters of the cabinets need to be checked and cleaned regularly
+2.	To clean the coarse filter, press the two lugs together, remove and clean the coarse filter
+
+    <div align="center">
+    <img src="img/../dishwasher_img_15.jpg" height="300">
+    </div>
+
+3.	To clean the flat and micro-fine filters,
+4.	Remove the fine filter which sits inside the micro-fine filter
+
+    <div align="center">
+    <img src="img/../dishwasher_img_16.jpg" height="300">
+    </div>
+
+5.	To unscrew the micro-fine filter, turn twice counter clockwise
+
+    <div align="center">
+    <img src="img/../dishwasher_img_17.jpg" height="300">
+    </div>
+
+6.	Then, pull out the micro-fine filter together with the flat filter
+7.	Clean the filter
+8.	Replace the filters by performing the above steps in the reverse order
+9.	Ensure that the filters sit flat in the base of the wash cabinet
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