Table of Contents
Advertisement
PROBLEM
SLOW HOT WATER
RECOVERY
POSSIBLE CAUSE(S)
1.
Insufficient combustion air
2,
3.
4.
5.
6.
7.
Water
heater
flue
or
vent
system
blocked
Low gas pressure
Improper calibration
Base-Ring Filter blocked with lint/dust
FVIR Flame Arrestor blocked with lint/
dust.
Incorrect
gas conversion
(if unit was
converted to use a different type of gas)
CORRECTIVE
ACTION
1.
Provide ventilation to water heater. Check flue
way, flue baffle, and burner
2.
Clean flue, locate source and correct
3.
Check with gas utility company
4.
Replace thermostat
5.
Clean
filter,
See
"External
Inspection
&
Cleaning of the Base-Ring
Filter" section.
6.
Clean filter, See "Cleaning
the Combustion
Chamber and Flame-Arrestor"
section.
Contact a qualified technician
7,
DRIP FROM RELIEF VALVE
1.
Excessive water pressure
1.
Use a pressure reducing valve and relief valve
2.
Heater stacking
2.
Lower the thermostat setting
3.
Closed water system
3.
See "Closed System/Thermal
Expansion"
THERMOSTAT
FAILS TO
1.
Thermostat
not functioning properly
1.
Replace thermostat
SHUT-OFF
2.
Improper calibration
2.
Replace thermostat
COMBUSTION
ODORS
1.
Insufficient combustion
air
1.
2.
Water
heater
flue
or
vent
system
blocked
3.
Heater installed in a confined area
4.
Base-Ring Filter blocked with lint/dust
FVIR Flame Arrestor blocked with lint/
dust.
5,
1.
Insufficient combustion air
2.
Low gas pressure
3.
Water
heater
flue
or
vent
system
blocked
4.
Thermostat
not functioning properly
5.
Heater installed in a confined area
6.
Burner flame yellow-lazy
7.
Base-Ring Filter blocked with lint/dust
FVIR Flame Arrestor blocked with lint/
dust.
Incorrect
gas conversion
(if unit was
converted to use a different type of gas)
Temperature setting too low
2,
8,
SMOKING AND CARBON
FORMATION (SOOTING)
Provide ventilation to water heater. Check flue
way, flue baffle, and burner
Clean, locate source and correct
3.
Provide fresh air ventilation
4.
Clean
filter,
See
"External
Inspection
&
Cleaning of the Base-Ring
Filter" section.
5.
Clean filter, See "Cleaning
the Combustion
Chamber and Flame-Arrestor"
section.
1.
Provide ventilation to water heater. Check flue
way, flue baffle, burner
2.
Check with gas utility company
3.
Clean, locate source and correct
4.
Replace thermostat
5.
Provide fresh air ventilation
6.
See "Burner Flame Yellow-Lazy"
7.
Clean
filter,
See
"External
Inspection
&
Cleaning of the Base-Ring
Filter" section.
8.
Clean filter, See "Cleaning
the Combustion
Chamber and Flame-Arrestor"
section.
Contact a qualified technician
g.
g.
CONDENSATION
1.
1.
Increase the temperature
setting. Refer to the
"Condensation"
sub-section
of this manual's
Troubleshooting
Guide.
BURNER FLAME FLOATS
AND LIFTS OFF PORTS
BURNER FLAME TOO HIGH
FLAME BURNS AT ORIFICE
PILOT FLAME
TOO SMALL
1.
Orifice too large
2.
High gas pressure
3.
Water
heater
flue
or
vent
system
blocked
4.
Cold drafts
5.
Incorrect
gas conversion
(if unit was
converted to use a different type of gas)
1.
Orifice too large
2.
Incorrect
gas conversion
(if unit was
converted to use a different type of gas)
1.
Thermostat
not functioning properly
2.
Low gas pressure
3.
Incorrect
gas conversion
(if unit was
converted to use a different type of gas)
1.
Pilot line or orifice clogged
2.
Low gas pressure
1.
Replace with correct orifice
2.
Check with gas utility company
3.
Clean flue and burner-locate source and correct
4.
Locate source and correct
5.
Contact a qualified technician
1.
Replace with correct orifice
2.
Contact a qualified technician
1.
Replace thermostat
2.
Check with gas utility company
3.
Contact a qualified technician
1.
Clean, locate source and correct
2.
Check with gas utility company
39
Advertisement
Table of Contents
Troubleshooting
