Troubleshooting - Graco ThermoLazer 258699 Repair Manual

Troubleshooting

Troubleshooting
Problem
Kettle pilot burner does Low or empty LP-gas tank
not ignite or does not
Gas supply hose not connected to tank
remain ignited
LP-gas tank shut-off valve closed
Manual gas shut-off valve closed
Gas lines leaking or disconnected
Kettle gas safety valve knob not in correct
position
Not providing adequate time for thermopile to
heat up
Kettle pilot igniter has weak battery
Kettle pilot electrode gap incorrect
Incorrect flame length and/or gas pressure
Strong wind blowing flame out
Burner and/or gas lines plugged
Kettle gas safety valve not functioning cor-
rectly
Thermopile not functioning correctly
Kettle pilot electrode ground wire not correctly
connected
Kettle pilot electrode lead wire has a short
Kettle pilot igniter not functioning correctly
Kettle burner regulator not functioning cor-
rectly
16
Cause
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Solution
Replace with full tank.
Connect gas supply hose.
Open LP-gas tank shut-off valve.
Open manual gas shut-off valve.
Check for gas leaks. Connect and tighten
fittings.
Turn knob to "PILOT" position and fully
push in (see Operation manual).
See Operation manual.
Replace part (see Parts manual).
Adjust gap (see page 7).
Adjust flame and pressure (see Repair
manual).
™
Move ThermoLazer out of strong winds.
Make sure burner view ports are closed.
Unplug holes and lines. Isolate all gas reg-
ulators if clearing line with forced air (see
page 5).
Replace part if it fails diagnostic test (see
page 5).
Replace part if it fails diagnostic test (see
page 8).
Clean connections and retighten. Replace
ground wire if damaged.
Replace part (see Parts manual).
Replace part (see Parts manual).
Replace part (see Parts manual).
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