Troubleshooting - Montigo H38DF-ST Indoor Installation, Operation & Maintenance Manual

H(L)38DF-ST See-thru indoor Gas Fireplace

Troubleshooting

The following is a troubleshooting chart of possible problems:
PRoBLEM
Noisy Pilot Flame Locate pilot adjustment screw on the
front of the gas control valve. Flame
is decreased by turning adjustment
screw clockwise.
Pilot won't ignite Disconnect remote wires and try to
light pilot. If pilot now works, remote
connections are faulty. Check wiring
diagram
Main burner will 1. Check wiring (see figure 17)
not light 2. Check wall switch for proper con-
nection.
3. Check pilot burner. If extinguished:
a. Allow fireplace to cool, then try to
relight.
b. If condition persists, call a qualified
service person.
Troubleshooting
Follow this information to reset the SIT System:
1. Locate the lead to the battery backup, (remove)
(Refer to schematic, below)
2. Locate the AC/DC wall transformer, (Unplug connector)
(Refer to schematic, below)
1.
2.
If your fireplace still does not operate correctly, consult your dealer or
the manufacturer.
Page 24
Maintenance
CoRRECtIVE ACtIon
17.
figure
H38DF-ST-F
Troubleshooting
HONEYWELL SV9500 /9600
Troublshooting Sequence
NOTE:
Before Troubleshooting, Familiarize Yourself With
The Startup And Checkout Procedure.
START
CHECK:
- Turn Gas Supply Off
- Line voltage power
- Set thermostat to
- Low voltage transformer
call for heat
- Limit Controller
- Thermostat
SV9500 / SV9600 NO
- Wiring
is powered
- Air proving switch on
(24VAC nominal)
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 (24VAC
NO
Nominal, see INSET)
Igniter warms up and
glows red.
Replace Igniter /
Flame Rod Assembly
NO
Pilot Valve opens.
Replace SV9500/SV9600
YES
NO
Measure Volume to
Turn gas on.
SV9500 / SV9600 Voltage
Pilot Burner Lights?
must be at least 19.5 VAC
YES
Replace Igniter /
Flame Rod Assembly
NO
Replace Igniter / Flame
Main Valve opens?
Rod Assembly and retain.
Restart troubleshooting
Sequence. Does main
YES
valve open?
SYSTEM OK
If your fireplace still does not operate correctly, consult your dealer or
the manufacturer.
All service and repairs should be performed by a qualified
agency.
All spare parts, optional fans, and optional trim finishes are available
from your local dealer or the manufacturer.
H38DF-ST-I
INSET
HSI
Terminals
NO
Replace
SV9500/
SV9600
YES
NO
Check
Transformer
Line Volt
Supply
YES
Replace
NO
SV9500 /
SV9600.
Save old
Igniter/ Flame
Rod Assembly
for service.
YES
Discard old Igniter /
Flame Rod Assembly
Part No. XG0207 - 092109