Procom ML170EHPC, Owner'S Operation And Installation Manual

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18
TROUBLESHOOTING
Continued
OBSERVED PROBLEM
ODS/pilot has flame, but burner(s)
does not light
Delayed ignition of burner(s)
Burner backfiring during combustion
Burner Plaque(s) does not glow
Slight smoke or odor during
initial operation
Heater produces a clicking/ticking
noise just after burner is lit or
shut off
White powder residue forming
within burner box on adjacent
walls or furniture
POSSIBLE CAUSE
1. Burner injector is clogged
2. Inlet gas pressure is too low
3. Thermocouple leads discon
nected or improperly connected
4. Batteries weak
1. Manifold pressure is too low.
2. Burner injector is clogged
1. Burner injector is clogged or
damaged
2. Burner is damaged.
3. Excessive supply pressure
damaged regulator
1. Plaque damaged
2. Inlet gas pressure is too low
1. Residues from manufacturing
processes
1. Metal expanding while heating or
contracting while cooling
1. Heated vapors from furniture
polish, wax, carpet cleaners,
etc. turn into white powder
residue
REMEDY
1. Clean burner injector (see Cleaning
and Maintenance, Page14) or
replace burner injector
2. Contact local Propane/LP gas company
3. Reconnect leads (See wiring
diagram)
4. Replace batteries
1. Contact local Propane/LP gas company.
2. Clean burner (see
Cleaning and
Maintenance , Page 14) or replace
burner injector
1. Clean burner injector (see Cleaning
and Maintenance, Page 14) or
replace burner injector(s)
2. Replace burner
3. Replace gas regulator
1. Replace burner
2. Contact local propane/LP gas
company
1. Problem will stop after a few hours
of operation
1. This is common with most
heaters. If noise is excessive,
contact qualified service person
1. Turn heater off when using furniture
polish, wax, carpet cleaner, or
similar products