Slant/Fin VGH-299-CH Installation And Service Manual page 88

Lock Error
out
code
15 MAX_TEMP_
ERROR
16 FLUE_GAS_
ERROR
17 STACK_ERROR
18 INSTRUCTION_
ERROR
19 ION_CHECK_
FAILED
20 FLAME_OUT_
TOO_LATE
21 FLAME_BEFOR
E_IGNIT
22 TOO_MANY_
FLAME_LOSS
23 CORRUPTED_
ERROR_NR
27 FILLING_TOO_
MUCH
28 FILL_TIME_
ERROR
29 PSM_ERROR
30 REGISTER_
ERROR
32 T_EXCHANGE_
DIFF_ERROR
88
Description
The external overheat
protection is enabled or
the T_Supply sensor
measures a temp. of over
Prot_Overheat_Temp -
SGOverheat_Duplex_Tol
erance for a period of
Max_Value_Period
Flue temperature
exceeded the maximum
flue temperature
Internal software error
Internal software error
Internal software error
Flame still present 10
seconds after closing the
gas valve
Flame is detected before
ignition
Three time flame lost
during 1 demand
Error code RAM byte was
corrupted to an unknown
error code.
Too many automated
filling attempts in a short
time period
Filling takes too long
Internal software error
Internal software error
The 2 exchange sensors
deviate too much for more
than 60 seconds
E93.1601EN032.C VGH installation manual
Cause Solving
Burner door clixon Check burnerdoor gasket
tripped because of and replace burner door
overheating of the gasket and reset clixon on
burner door or the burner door or check
water flow is circulator and waterflow
restricted or back and replace circulator or
wall thermal fuse has increase water flow check
tripped because rear also if valves are closed or
wall insulation disc check if rearwall fuse is
(combustion broken if so replace and
chamber) is also replace rear wall
damaged or broken. insulation disc (combustion
chamber).
There is no water in Check if flue sensor is
the heat exchanger working correctly if not so
or flue gas sensor is replace flue sensor. Check
malfunctioning or waterflow if to low increase
heat exchanger is waterflow.
overheated.
wrongly programmed reset BCU or replace BCU
BCU or PB and or display unit
wrongly programmed reset BCU or replace BCU
BCU or PB and or display unit
wrongly programmed reset BCU or replace BCU
BCU or PB and or display unit
wrong earthing of Check earthing of BCU and
BCU and boiler boiler
wrong earthing of Check earthing of BCU and
BCU and boiler boiler
bad gas supply or check gas supply pressure,
CO2 level is not check CO2 level and adjust
correct or bad if necessary, replace
ignition rod ignition rod or replace
ignition cable.
wrongly programmed reset BCU or replace BCU
BCU or PB and or display unit
If output is Check if there is a leak in
programmed as filing the central heating system
valve and there are or if the boiler it self is
to many filing leaking also check
attempts expansion vessel on
internal leak
If output is Check if there is a leak in
programmed as filing the central heating system
valve and filling takes or if the boiler it self is
more than 10 leaking also check
minutes expansion vessel on
internal leak
wrongly programmed reset BCU or replace BCU
BCU or PB and or display unit
wrongly programmed reset BCU or replace BCU
BCU or PB and or display unit
There is not not Check if the general pump
enough water flow is running and if all valves
through the heat are open to make enough
exchanger flow