Slant/Fin VGH-299-CH, Installation And Service Manual

Page: 90 / 128

E93.1601EN032.C VGH installation manual 90
Blocking codes
Lockout
code
Error Description Cause Solving
100 WD_ERROR_R
AM
Internal software error wrongly
programmed BCU
or PB reset BCU or replace BCU
and or display unit
101 WD_ERROR_R
OM
Internal software error wrongly
programmed BCU
or PB reset BCU or replace BCU
and or display unit
102 WD_ERROR_ST
ACK
Internal software error wrongly
programmed BCU
or PB reset BCU or replace BCU
and or display unit
103 WD_ERROR_
REGISTER
Internal software error wrongly
programmed BCU
or PB reset BCU or replace BCU
and or display unit
104 WD_ERROR_X
RL
Internal software error wrongly
programmed BCU
or PB reset BCU or replace BCU
and or display unit
105 HIGH_TEMP_E
RROR
T_Supply sensor measures
over Stay_Burning_Temp
for a period of
Max_Value_Period. not enough
waterflow over
heat exchanger Check functioning of the
circulator.
Check/open all valves that
might restrict the water
flow through the unit.
Check for an external
system circulator that
influences flow through
the unit.
Check if the system
resistance exceeds the
spare capacity of the unit
circulator.
106 REFHI_TOO_HI
GH
Internal hardware error wrongly
programmed BCU
or PB reset BCU or replace BCU
and or display unit
107 REFHI_TOO_LO
W
Internal hardware error wrongly
programmed BCU
or PB reset BCU or replace BCU
and or display unit
108 REFLO_TOO_HI
GH
Internal hardware error wrongly
programmed BCU
or PB reset BCU or replace BCU
and or display unit
109 REFLO_TOO_L
OW
Internal hardware error wrongly
programmed BCU
or PB reset BCU or replace BCU
and or display unit
110 REFHI2_TOO_H
IGH
Internal hardware error wrongly
programmed BCU
or PB reset BCU or replace BCU
and or display unit
111 REFHI2_TOO_L
OW
Internal hardware error wrongly
programmed BCU
or PB reset BCU or replace BCU
and or display unit
112 REFLO2_TOO_
HIGH
Internal hardware error wrongly
programmed BCU
or PB reset BCU or replace BCU
and or display unit
113 REFLO2_TOO_
LOW
Internal hardware error wrongly
programmed BCU
or PB reset BCU or replace BCU
and or display unit
114 FALSE_FLAME Flame is detected in a state
in which no flame is
allowed to be seen wrong earthing of
BCU and boiler Check earthing of BCU
and boiler