MHSC B-Vent 400BBVPV Installation & Operating Instructions Manual page 37

TROUBLESHOOTING
SIGNATURE COMMAND SYSTEM
OPERATION
Install batteries and/or
plug in the AC board
Flip the master switch
(rocker switch) to the
ON position
Press the ON button on
the Command Center
62D4037
FAULT
A
No beep in about
8 seconds
No beep
or
B
no sound from the
valve indicating pilot
solenoid open
C
No sparking on
the pilot
D
Sparking doesn't
continue
E
Pilot doesn't light
F
Main burner doesn't
light
FP1911
troubleshoot sc
8/08
BBV, SBV Series Natural Vent Gas Fireplaces
DIAGNOSIS
Using
Battery polarity wrong?
battery?
Make sure
Command
Battery voltage low?
Center and
the control
board are
connected by
a 2 feet or 15
AC plug is plugged to
feet cable
AC mains?
The 5-pin connector on
the AC board broken or
bent?
LED on the Command
Center does not show
solid green?
Check NG/LP
Check valve
conversion cap
connections
and control
board
connections
Check
Check pilot
grounding
connections
The Control Board is having interference from the
surrounding metal (Ground)
Check gas supply Go through C
The sensor on the pilot
Go through
E
is not in the flame
(pilot flame too small)?
ACTION
Re-install batteries
Change batteries
Plug the AC plug to
AC mains
Repair or replace the
AC Board
Replace the AC Board
Check power
Replace the Control
supply (go
Board or
through )
A
Command Center
Sparking is happening
Go through
elsewhere (under the
B
pilot), re-install/replace
the pilot
Re-install the Control
Board, move it around
or change the
Control Board
Sparking is not in the
path of gas flow, adjust
sparker position or
replace the pilot
Adjust sensor position
or replace the pilot
37