TROUBLESHOOTING Updated: April 28, 2020
TERSANO SAO DISPENSER
1. The Replace Cartridge light is ashing amber.
• Indicates there are approximately 200 litres of SAO solution remaining on cartridge and
desiccant lter.
• Ensure you have a replacement SAO cartridge and lter in inventory to avoid down time.
2. The Replace Cartridge light is solid amber. The SAO cartridge and blue desiccant lter need
replacing immediately.
How to replace the SAO cartridge and blue desiccant lter:
1. Remove the new cartridge, blue lter and FedEx Prepaid label from the box and lay them aside. Save all the
packaging from inside the box. Serial number on the cartridge must match the serial number on the lter.
2. Turn the water to the unit off.
3. Press the ON button on and off a couple of times to drain any excess water from the hose.
4. Disconnect the hose from the red/blue connector at bottom of cartridge. Twist counterclockwise and release.
5. Disconnect the hose from the black/grey connector at bottom of cartridge. Twist clockwise and release.
6. Once both connectors are removed, push up on the cartridge and lift off from the wall bracket. Place the expired
cartridge in the box.
7. Remove the blue desiccant lter from the center of the dispenser and add to box.
8. Insert the new replacement blue lter. Ensure the lter is securely inserted into place.
9. Install the new SAO Cartridge onto the wall bracket.
10. Re-connect the red/blue connector and twist clockwise to secure (you should hear a click).
11. Re-connect the black/white connector by pressing down on the spring mechanism and twist counter clockwise
(until spring locks).
12. Turn water back on.
3. Solid amber light continues. The blue desiccant lter and SAO cartridge have been replaced, and the solid amber light
continues. No SAO solution dispensing.
Please try the following:
• Turn the dispenser OFF/ON again to reset.
• Ensure the serial number on the blue desiccant lter matches the serial number on the cartridge.
• Ensure the serial number on the blue desiccant lter and black cartridge are the correct one for your model number
(ie: if the unit has a “-FB” on it’s serial number, then the blue desiccant and black cartridge must have an “-FB” on it).
• Remove the blue desiccant lter and wipe the electronics with a soft cloth.
• Ensure the blue desiccant lter is inserted into the dispenser and is locked into place – you should not be able to pull
it out.
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