Troubleshooting - Pelsue 1557 Operating And Maintenance Instructions Manual

8.0 Troubleshooting:

Symptom
Heater fails to light
Heater lights – flame
Extinguishes when releasing
Safety valve button after
Depressing for 60 seconds.
Fuel mixture burning within
Rayhead assembly
Ceramic temperature below
1700°F. (not orange in color)
Heater Flare-up
Cause
Cylinder's gas valve closed
Manual shutoff valve closed
Excessive draft
Heater inlet pressure too low.
Heater safety control valve
defective.
Obstruction in orifice spud
Spark generator wired disconnected
or grounded.
Electrode out of alignment
Electrode ceramic cracked
Spark generator defective
Inadequate gas pressure
Insufficient fuel supply
Thermocouple defective or loose
Heater safety valve defective
Gas connection loose
Inlet pressure too high
Cracked or broken ceramic
Improper lighting
Orifice spud misaligned
Obstruction in orifice spud
Inadequate gas pressure
Cylinder's gas valve not fully open
Manual shutoff valve not fully open
Kinked or obstructed fuel line/hose
Ceramic separated or cracked
Contaminated fuel
Liquid fuel reaches heater
Wind or drafty conditions
Open valve
Open valve
Relocate or reposition heater
Verify adequate fuel supply is
Available. Check regulator outlet
pressure 11"WC on high position
Replace
Clean or replace
Reconnect or replace
Adjust to 1/8" from heat rods
Replace
Replace
Increase to 11"W.C. on high
Provide adequate fuel supply
Replace or tighten electrical
Connections
Replace
Tighten & check for leaks
Reduce to 11"W.C. on high
Replace rayhead assembly
Light ceramic burner element
& not at the orifice. See
Sec. 6.0 Operating Procedure
Replace orifice mtg. bracket
Clean or replace
Increase to 11"W.C. on high
Open
Open
Straighten or clean
Replace
Disassemble, thoroughly
clean unit and LPG filter
Possible overfilled LP bottle
Or using liquid withdrawal
bottle. Replace with vapor
draw style bottle.
Relocate heater as so the
wind comes from behind
the unit.
8
Remedy
Rev.#7 11-01-06