Display Description Remedy
V1205828
Water Circuit
or Pump
Water temperature in the
heater too high.
Check the water pump for proper
function.
Check the water circulation in the
water circuit.
The heater can be reset to the
delivery condition by removing
the heater fuse.
Contact a qualified service
technician.
V1207217
Overheat.
Heater locked.
Overheating of the heater
detected. The heater is
interlocked for safety
reasons.
Check the heater and the water
circuit for leaks.
The heater can be reset to the
delivery condition by removing
the heater fuse.
Contact a qualified service
technician.
V1207218
Restricted
Operation
Emergency running of the
heater.
There is a fault in the heater.
Restricted operation is still
possible.
Contact a qualified service
technician.
V1207219
Ext. Temp. Sensor
defective
1
The external temperature
sensor is defective.
Contact a qualified service
technician.
V1207220
Int. Temp. Sensor
defective
2
The internal temperature
sensor is defective.
Contact a qualified service
technician.
V1207221
Rotary Knob
jammed
3
The operating button is
blocked.
Can the operating button be freed
again by hand?
Contact a qualified service
technician.
Other controls
Operator comfort
161
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