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English
5.906-432.0 Rev. 00 (06/15)
105
Exhaust thermostat has triggered.
Decarbonize boiler.
Check exhaust gas thermo-
stat.
Cable break or short circuit with water temperature
sensor
Check temperature sensor.
Flame sensor does not detect a flame although the
burner was switched on
Clean the looking glass.
Check fuel supply.
The flame sensor recognised bright although the
burner was off
Incidence of secondary light
at the flame sensor.
Combustion chamber
scaled.
Solenoid valve does not
close.
RFID write-read electronics defective.
RFID write-read electronics
is defective - replace.
Cable break with level sensor fuel occurred
Check level sensor fuel.
Cable break with level sensor detergent tank 1 oc-
curred
Check level sensor RM 1.
Cable break with level sensor detergent tank 2 oc-
curred
Check level sensor RM 2.
Software version 1.1
This is no fault.
Error merely appears for de-
sign reasons, because the
display is in the error menu.
Display
Explanation
Remark
Summary of Contents for HDS 7/12 M
Page 14: ...14 English 5 906 432 0 Rev 00 06 15...
Page 60: ...60 English 5 906 432 0 Rev 00 06 15 6 29 Functional diagram vacuuming operation...
Page 125: ...English 5 906 432 0 Rev 00 06 15 125 Circuit diagram 0 089 021 0 HDS 7 12...
Page 126: ...126 English 5 906 432 0 Rev 00 06 15 Circuit diagram 0 089 025 0 HDS 8 18 HDS 9 18...
Page 128: ...128 English 5 906 432 0 Rev 00 06 15 Circuit diagram 0 088 952 0 HDS 10 20 HDS 12 18...
Page 130: ...130 English 5 906 432 0 Rev 00 06 15 Circuit diagram 0 089 9026 0 HDS 13 20...