Junkers ZWC 24-3 MFK User Manual

E0/F0 IS FLASHING
Internal failure
Control StepOrder Measures
1.
2.
Check all cable connections for any
intermittent contact?
Electronic card is out of order
Yes:
No:
Fd IS FLASHING
Reset button pressed too long
Control Step Measures
1. Check if reset button remains pressed
If Fd still flashing,
Yes:
No:
2. Electronic card is out of order.
Enter the 8.C and 8.d
Record displayed values to the service report
Pull the reset button and restart the appliance
again
Correct the cable connection
Reset appliance
If EO/FO flashing,
Switch off the appliance
Cut mains supply
Change the electronic card
Connect to mains supply
Switch on the appliance
Switch off the appliance
Cut mains supply
Change the electronic card
Connect to mains supply
Switch on the appliance
Order
54 | Troubleshooting
6 720 660 238 (2008/07)
54
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Junkers ZWC 24-3 MFK Specifications

General

Brand	Junkers
Model	ZWC 24-3 MFK
Category	Boiler
Language	English