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111695-01A
7
7
For more information, visit www.desatech.com
For more information, visit www.desatech.com
SYMPTOM
Burner fails to light
Burner lights but goes out when automatic
control valve button is released
Burn rate is low
POSSIBLE CAUSE
1. Propane supply valve closed on propane
tank(s)
2. Excess flow check valve closed
3. Blockage in burner orifice
4. Piezo ignition system not sparking
1. Not enough warm up time
2. Low gas pressure
3. Thermocouple loose or needs to be
replaced
4. Automatic control valve needs to be
replaced
1. Control valve is on LOW
2. Plugged gas orifice
3. Low gas pressure
4. Low fuel supply
REMEDY
1. Open propane supply valve slowly
2. Close propane supply valve on propane
tank and reopen slowly
3. Replace burner orifice
4. Check to assure ignitor electrode gap is
.195" Check wire lead for damage. Re-
place piezo ignitor and/or ignitor elec-
trode as necessary
1. Relight, hold automatic control valve
button in 45 seconds
2. Check propane tank(s) for proper gas
supply
3. Tighten connection or replace ther-
mocouple
4. Replace automatic control valve
1. Push and turn valve counter clockwise
to MED or HIGH
2. Replace gas orifice
3. Check gas supply; check regulator
output
4. Consult propane gas supplier
TROUBLESHOOTING
WARNING: Never attempt to service heater while it is connected
to propane supply, operating, or hot. Severe burns can occur.
Note:
For additional help, visit DESA Heat-
ing Products’ technical service website at
www.desatech.com.
ACCESSORIES
Purchase these heater accessories and parts from your nearest dealer or
service center. If they can not supply an accessory or part, either contact
your nearest Parts Central (listed in the separate Authorized Service
Center booklet) or call DESA Heating Products’ at 1-866-672-6040.
You can also write to the address listed on the back page of this manual.
Part Number Description
LPA4020 Fuel Gas Connector
Connects regulator to all standard propane
tanks. U.L. and AGA listed.
LPA1000 10 Foot Hose
LPA2160 Regulator
LPA3110 Hose and Regulator Assembly
TROUBLESHOOTING
ACCESSORIES