Desa Tech GCH480 - Manual (Page 14)

13 14
TROUBLESHOOTING (continued)
Problem Possible Cause What To Do
Gas odor even when control knob is
in OFF position.
1. Gas leaks. Refer to front of page
Warnings.
2. Gas control defective.
1. Locate and correct leaks immediately.
2. Replace gas control
Gas odor during combustion.
1. Foreign matter in gas or on burner ports.
2. Heater burning vapors form paint,
impurities in air.
3. Gas leaks, refer to front page Warnings 1. Check gas passage way and burner.
2. Ventilate room, stop storing and using
odor causing products near heater.
3. Locate and correct leaks immediately.
Heater shuts off on ODS.
1. Not enough fresh air is available.
2. Low gas pressure.
3. ODS pilot partially clogged. 1. Open window.
2. Contact gas supplier.
3. Clean the pilot.
PROPANE CONSTRUCTION HEATER