F28 -- Too Much Ground Coffee In Brew Unit - Miele CVA 4062 Technical Information

Technical Information
Cause:
Hose connections interrupted, blocked or kinked.
Remedy:
1. Check hose connections.
2. Replace hoses, if necessary.
Cause:
Water container valve jammed or clogged.
Remedy:
1. Check water container valve.
2. Replace water container, if necessary.
Cause:
Flow meter (B3/4) defective or clogged.
Remedy:
1. Install a new flow meter. See Flow Meter (B3/4) Removal, Section 051-4.5.
Cause:
Coffee/hot water pump (2M7) defective.
Remedy:
1. Install a new coffee/hot water pump. See Coffee/Hot Water Pump Removal,
Section 051-4.3.
Cause:
Water paths need to be descaled.
Remedy:
1. Descale the appliance; see the operating instructions.
2. Replace the coffee/hot-water heater, including the brew unit
hose and spout.
Cause:
Brew unit jammed.
Remedy:
Follow the remedy procedure outlined in F73 -- Brew Unit Fault (Page 83).
Warning!
In order to avoid possible water system faults (e.g., clogging or blocking of valves),
grease, oil or other slip lubricants should never be used when assembling and
installing water system parts.
3.7

F28 -- Too Much Ground Coffee in Brew Unit

Cause:
Excessive ground coffee was taken in through the funnel.
Remedy:
1. Remove the ground coffee.
2. Advise the customer about correct dispensing amounts as outlined
in the operating instructions.
CVA 4062/CVA 4066/CVA 4068 Coffee Systems
82