23(5$7,1*)$8/76
59$23(5$7,1*)$8/76
2QFHWKHIDXOWKDVEHHQHOLPLQDWHGWKH
(UHUURUPHVVDJHRQWKH59$PD\
WDNHWRPLQXWHVWRGLVDSSHDUDF
FRUGLQJWRWKHW\SHRIIDXOW
2SHUDWLQJIDXOWV
+HDWLQJ FRQWURO GRHV QRW RSHUDWH ZURQJ RU
DEVHQWGLVSOD\RIWKHWLPH
• Check the heating circuit’s fuses.
• Carry out a RESET: isolate the regulator from
the mains for about 5 seconds (by positioning
the boiler’s main switch on stop for 5 seconds
for example).
• Set the clock.
7KHVHWWLQJGHYLFHGRHVQRWRSHQFORVHRUDW
OHDVWQRWSURSHUO\
• The manual lever of the setting device may not
be disengaged.
• Wiring to the setting device interrupted (output
test).
• Check the wiring of the sensor (input test).
• Daily heating active or limit rapid lowering acti-
ve.
7KH KHDWLQJ FLUFXLW¶V FLUFXODWLQJ SXPS GRHV
QRWRSHUDWH
• Check the wiring and the fuses (relay test).
• Check the wiring of the sensors (input test).
7KHURRPWHPSHUDWXUHLVQRWFRUUHFW
• Check the room temperature setting values.
• Is the desired regime displayed?
• Was an exception made to the automatic regi-
me on the room unit?
• Do the displayed weekday, time and heating
programme coincide?
7KH KHDWLQJ LQVWDOODWLRQ GRHV QRW RSHUDWH
SURSHUO\
• Check all the parameters according to the
"Heating Engineer" parameters and the "End-
user" service instructions.
• Test the relays.
• Test the inputs.
• Check the control thermostat (TR) and the sa-
fety thermostat (STB).
7KH IURVW SURWHFWLRQ RI WKH LQVWDOODWLRQ GRHV
QRWRSHUDWHRUQRWSURSHUO\
• Check the correct operation of the burner.
• For the heating circuits with a circulating pump,
does the room temperature limiting function
have priority over the frost protection function?
7KH DFFHOHUDWHG WHPSHUDWXUH ORZHULQJ RU
ZDUPXSGRQRWRSHUDWH
• Check the "Heating Engineer" level settings.
• Check the sensor connected to A6 (input test).
7KH(5IDXOWPHVVDJHDSSHDUVRQWKHGLV
SOD\
• Check that the LGMs’ Summer/Winter potenti-
ometer is on the Winter position.
• Select programming lines 50, 60 and 62. Both
the error code and the address where the error
occured are displayed there. Paragraph 3.2 -
below lists the possible error codes and their
meaning.
The displays of these parameters must be
those of the following table.
!
59$UHJXODWRUSDUDPHWHUV
'LVSOD\
: display of the BMUs’ error
codes (LGM)
blank
: error display
blank
:
display of PPS communication
if room sensor on RVA 46
- - -
or
1 83