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Part number 550-142-850/0716
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WALL MOUNT GAS-FIRED WATER BOILER — Boiler Manual
32 Troubleshooting(continued)
Figure 121h)Nv)NQUIRYMODEFORFreeStyle
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BOILERSCONTINUED
s )NCASEOF7ATERPRESSURESWITCHhvMEANSOPENhvMEANSCLOSED
s )NCASEOFSENSORSINSHORTCIRCUITOROPENCIRCUITTHEDISPLAYVISUALIZEShv
s !CTUAL&AN3PEEDISSHOWEDALWAYSINTERMSOF(Z
s !CTUALWATERmOWRATEISSHOWEDALWAYSINTERMSOFREALLMINANDITHASTOBEVISUALIZEDALSOWITHTHEINPUTSWITCH
contact open. Example: real 1.5 l/min has to be visualized as 15.
s !CTUAL&LAME#URRENTISSHOWEDALWAYSINTERMSOFREALU!%XAMPLEREALU!HASTOBEVISUALIZEDAS
s )NCASEOF$(7THERMOSTATTh/NvMEANSCLOSEDh/&&vMEANSOPEN
"YPRESSINGTHE2%3%4PUSHBUTTONFORSECONDITISPOSSIBLETOESCAPEFROMTHEh)NQUIRYvMODE"YPRESSINGTHE2%3%4PUSH
BUTTONFORSECONDSITISPOSSIBLETOLEAVETHE)NSTALLERMODE)FNOACTIONHASBEENTAKENTHE--)AUTOMATICALLYLEAVESTHIS
MODEAFTERMINUTES
“Hi” as History mode
Selecting “Hi” the display starts with showing “(vBLINKING"YMEANSOFTHE#(AND#(PUSHBUTTONSITISPOSSIBLETOSELECT
the parameters; between “(” and “(v 3ELECTINGONEOFTHESEPARAMETERSBYMEANSOFTHE$(7AND$(7PUSHBUTTONSIT
is possible to see this value (not flashing).
"YPRESSINGTHE2%3%4PUSHBUTTONFORSECONDITISPOSSIBLETOESCAPEFROMTHEh(ISTORYvMODE"YPRESSINGTHE2%3%4PUSH
BUTTONFORSECONDSITISPOSSIBLETOLEAVETHE)NSTALLERMODE)FNOACTIONHASBEENTAKENTHE--)AUTOMATICALLYLEAVESTHIS
MODEAFTERMINUTES
H01 blinking
History buffer 1 (the latest)
H02 blinking
History buffer 2
H03 blinking
History buffer 3
-------- --------
H08 blinking
History buffer 08
P10 blinking
Actual water pressure (psi)
P11 blinking
Actual PWM modulating Pump (%) 
P12 blinking
Actual Step of Triac mod. mode (Num) 
F13 blinking
 between 00 and 255
Figure 122h(Iv(ISTORYMODEFORFreeStyle
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BOILERS