X Servings Until Descaling" Shown In Display; Empty Waste Container" Message, But Waste Container Is Not Full; Clean Brew Unit" Message Not Displayed; Table 070-2: "X Servings Until Descaling" Versus Water Hardness - Miele CVA 4062 Technical Information

Technical Information
3.22

"X Servings until Descaling" Shown in Display

Cause:
The maximum permitted flow of coffee/hot water or the maximum time for steam
dispensing has been reached. The values monitored for this depend on the set water
hardness. See Table 070-2.
Water hardness
setting
Soft
Medium
Hard
Very hard

Table 070-2: "X Servings until Descaling" versus Water Hardness

Remedy:
Descale the appliance; see the operating instructions.
3.22

"Empty Waste Container" Message, But Waste Container Is Not Full

Cause:
If the waste container has not been emptied in the past 48 hours, the message
Empty waste container will automatically appear.
Remedy:
No fault! Advise the customer of this automatic message.
Cause:
The waste container was emptied while the appliance was shut off. Emptying of the
waste container was not registered by the electronic. After 48 hours the message
Empty waste container will appear automatically.
Remedy:
No fault! Advise the customer of this automatic message.
3.23

"Clean Brew Unit" Message Not Displayed

Symptom:
According to the operating instructions, the Clean brew unit message should appear
after 200 uses.
Cause:
Software fault.
Remedy:
Clean the brew unit as outlined in the operating instructions.
CVA 4062/CVA 4066/CVA 4068 Coffee Systems
Approx. figures applicable until "50 servings until
Grains per gallon
Max. permitted
flow of coffee/hot
water [pulses]
0 - 4 150,000
5 - 9 144,000
10 - 18 108,000
> 18 72,000
88
descaling" is displayed
Max.
Total steam
permitted flow of
dispensing time
coffee/hot water
[min]
[gal (L)]
120 52.8 (200)
90 34.3 (130)
60 23.8 (90)
30 15.8 (60)