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SHT Heiztechnik,
aus Salzburg
Operating instructions
M21/HB M27/GB
Page 43
SHT Heiztechnik aus Salzburg GmbH, A-5020 Salzburg-Bergheim, Rechtes Salzachufer 40 Tel. 0662-450444-0, Fax-DW 9
Our current general terms and conditions apply.Errors, printing faults and technical changes reserved
ERROR 17
"Boilerprobe DISTURBED!"
This ERROR report displays a technical failure of the installation only qualified personal can fix!
Displayed if the boiler probe signal shows a value either far below or far beyond the normal range
(larger than +99.9°C or smaller than -30°C).
The mistake can lie with the probe itself (e.g. moisture intrusions) or with cable, clamps, or plugs.
WHAT TO DO?
Delete report (see point 8). If displayed repeatedly, please contact your customer service.
ERROR 18
currently not available!
ERROR 19
currently not available!
ERROR 20
currently not available!
ERROR 21
"Insertionprobe DISTURBED"
This ERROR report displays a technical failure at the boiler only qualified personal can fix!
Displayed if the probe signal at the pellet conveyor screw is far over or below the normal range (larger
than +130°C or smaller than -30°C).
The mistake can lie with the probe itself (e.g. moisture intrusions) or with cable, clamps, or plugs. It
also can be caused by burnback – detectable by discolouration of paint in the area of the probe at the
insertion duct – in this case, the cause for the burnback must be removed (usually caused by leak at
insertion area).
WHAT TO DO?
Delete report (see point 8). If displayed repeatedly, please contact your customer service.
ERROR 22
currently not available!
ERROR 23
"Reset DONE!"
Displayed if a factory reset has been triggered. This happens either automatically (after software
update by CS technician) or manually (if a factory reset was triggered in the menu "Special
settings/System/Factory reset").
WHAT TO DO? Nothing.
ERROR 24
"Pellet ignition FAILED!"
This ERROR report displays a possible technical failure at the boiler or installation only qualified
personal can fix.
Displayed if pellets burner start has failed.
WHAT TO DO?
Delete report (see pont 8). In the majority of cases, lack of fuel is the cause – please check! If this is
the case, refill fuel and set burner switch to "ON".
ERROR 25
"Pelletstart, additional feeding"
Displayed if the usual amount of fuel is not sufficient for ignition and more fuel has to be inserted (can
happen if e.g. the conveyor screw ran empty because fuel stock was consumed).
To facilitate probable mistake analysis, this report will be registered in the report memory.
WHAT TO DO? Nothing.
ERROR 26
"Log- ignition FAILED!"
Displayed if burner operation mode (see menu frame "Fuel selection") is set to "Only Logs" and "Manual
Ignition") and the manual ignition of the logs failed.
WHAT TO DO?
Delete report (see point 8), open door, ignite wood again, close door and set burner switch to "ON".
ERROR 27
currently not available!