Troubleshooting - Montigo E38-PV Installation, Operation And Maintenance Manual

Removing the Power Vent Motor
WARNING: WARNING:
WARNING: WARNING: WARNING:
n
n
Maintenance
HONEYWELL SV 9500 /SV9600
Troubleshooting Sequence
NOTE:
START
· Turn Gas Supply off
· Set thermostat to
call for heat
SV9500/SV9600
is powered
(24 VAC nominal)
Igniter warms up
and glows red.
Pilot Valve opens.
Turn gas on.
Pilot Burner lights?
Main Valve opens?
SYSTEM OK
E38-PV Gas Fireplace

Troubleshooting

CHECK:
· Line voltage power
· Low voltage transformer
· Limit Controller
· Thermostat
NO
· Wiring
· Air proving switch on
combustion air blower system
· Vent damper (if used) is open
and end switch made
YES
Unplug Pilot Burner Cable,
Measure Voltage at
SV9500/SV9600 HSI
Terminals (24 VAC
NO
Nominal, See INSET)
YES
Replace Igniter/
Flame Rod Assembly.
NO
Replace SV9500/SV9600
YES
NO
Measure Voltage to SV9500
/SV9600. Voltage must
be at least 19.5 VAC
YES
YES
Replace Igniter/
Flame Rod Assembly.
NO
Replace Igniter/Flame
Rod Assembly and retain.
Restart Troubleshooting
Sequence. Does main
YES
valve open?
YES
Discard old Igniter/
Flame Rod Assembly.
INSET
HSI
Terminals
NO
Replace
SV9500/
SV9600
Check
NO
Transformer
Line Volt
Supply
Replace
NO
SV9500/
SV9600.
Save old
Igniter/Flame
Rod Assembly
for service.
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