Miele COFFEE SYSTEM CVA 4068, Technical Information, Page: 86 / 118

Technical Information
86
CVA 4062/CVA 4066/CVA 4068 Coffee Systems
Remedy:
Replace the fuse.
Note:
In order for the customer to be able to continue to prepare coffee and obtain hot
water in the period before the service technician arrives, he or she can switch off
the steam system.
3.17 F82 -- Coffee/Hot Water Heater (2R1) Overheating
Cause:
Coffee/hot water heater overheating. The temperature is greater than 266°F (130°C).
Remedy:
If the coffee/hot water heater is on steadily and operating temperature limiter F1/8,
replace the power electronic; see Section 070-4.4.
3.18 F83 -- Steam Heater (1R1) Overheating
Cause:
Steam heater overheating. The temperature is greater than 356°F (180°C).
Remedy:
If the steam heater is on steadily and operating temperature limiter F1/5, replace the
power electronic; see Section 070-4.4.
3.19 F94 -- Water Intake Fault
Cause:
During commissioning, the appliance water intake shutoff valve was closed.
Remedy:
1. Shut the appliance off at the main switch.
2. Open the shutoff valve.
3. Confirm the fault message with
OK
.
4. Switch on the main switch.
Cause:
Hose kinked.
Remedy:
Lay the hose such that it is not kinked.
Cause:
During water intake a large quantity of hot water has been dispensed.
The top float in the water container has not switched within 5 minutes.
Remedy:
Confirm the fault message with
OK
.
Cause:
During water intake the drip tray has been emptied.
The top float in the water container has not switched within 5 minutes.
Remedy:
Confirm the fault message with
OK
.