25
Er
24
Boiler temperature probe
malfunction
Boiler temperature probe disconnected or not working
Er
25
Boiler water filling
malfunction
The boiler wasn’t filled in the expected time: check the
water supply tap, the dynamic supply pressure, cleanliness
of the inlet water filter, any damage of the water charging
hose, or check the following in this order:
- faulty boiler pressure switch (it always detects “empty”),
- leakage or unbinding of the tube (water runs inside the
tube)
- menu service wrong setting “rP”
Er
26
Boiler emptying
malfunction
- check cleanliness of the rinse nozzles
- faulty boiler pressure switch (it always detects “full”)
- leakage or unbinding of the tube (water runs inside the
tube)
- rinsing pump malfunction (if present)
Er
27
Boiler emptying
malfunction – with tank full
Or boiler full signal on
models without rinsing
pump
Faulty boiler pressure switch (it always detects “full”). If
this occurs in models without rinsing pump, the boiler
pressure switch is wrongly detected: check settings in the
service menu on entry “rP”
“rp” = on for models with rinsing pump
“rp” = of for models without rinsing pump
Содержание UD515D
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