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SV2 Series Safety Shut-off Valves
207
V2F, V2V
SV2 SERIES SAFETY SHUT-OFF VALVES USER MANUAL
Fault
Category
Fault
Description
Detailed Description
Remediation Steps
Comments Fault
#
Solenoid 2
Solenoid 2
signal fault
Solenoid 2 terminal signal is
not valid. Frequency or duty
is out of expected range.
Remove power and shut-off gas supply as
necessary.
1.) Remove valve front electrical enclosure
and inspect SOLENOID 2 and MV2 wiring
connections for wire engagement, seating,
pin engagement and cleanliness.
2.) Ensure MV2 is wired to proper
terminals on burner management system.
3.) Replace cover and restore power and
gas. Reset valve and burner management
system.
4.) Measure MV2 voltage for proper
tolerance per valve nameplate and
documentation.
5.) If fault persists, repeat above steps for
L1 and N connections.
6.) If fault persists, replace valve main
electronics.
7
Solenoid 2
mode fault
Solenoid 2 expected and
detected mode do not match.
1.) Reset valve and burner management
system, observing valve / burner
operation.
2.) If fault persists, replace valve main
electronics
8
Verifi-
cation
Needed
Safety
parameter
verification
One or more safety
parameters have been
modified and/or waiting for
verification procedure.
Perform safety parameters verification
procedure. Go to Setup & Tests screen,
press button Verify Safety Parameters.
47
VPS
VPS Test Failure Value 1 proving sequence
has failed.
1.) Check the piping train (is MSOV closed,
piping flanges tight, O-ring leakage), main
electronics wiring and Pressure Module
connection to it. For wiring, refer to the
installation instructions, 32-00018. Reset
valve and repeat the VPS test.
2.) If fault persists, check system gas
pressure and repeat the VPS test.
3.) If fault persists, replace Pressure
Module.
4.) Accept new Pressure Module on the
PRESSMOD tab in the Setup & Tests
menu.
5.) Recommission the Hi-Gas and Lo-Gas
pressure limits. Repeat leak detection test.
6.) If fault persists, replace valve.
Warning
indication
for SV2
valve.
But this
condition
will likely
cause a
burner
controller
lockout.
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