Table 7 - Guardian Powervent Troubleshooting Table - Rheem Guardian PowerVent Training Manual

Guardian PowerVent Training Manual
Scale on burner and
pilot assemblies
Sooting
Yellow flame
Burner flame noisy
(whistling)
Burner flame too high 1. Improper gas pressure
Water too hot
Slow hot water
recovery
Noisy water heater
(rumbling and
sizzling)
Excessive relief valve
operation
Rusty or black water
Smelly water (rotten
egg odor)
Milky water
Table 7 – Guardian PowerVent Troubleshooting Table
1. Condensation
2. Contaminated atmosphere
1. Combustion air inlets or flue
way is restricted
2. Not enough combustion or
ventilation air supplied to room
3. Improper gas pressure
4. Burner orifice or plate dirty
1. Scale on top of burner
2. Burner orifice or plate dirty
3. Flue way clogged
4. Improper gas pressure
5. Not enough combustion or
ventilation air supplied to room
1. Improper gas pressure
2. Burner orifice dirty
2. Wrong orifice
1. Thermostat setting too high
2. Thermostat out of calibration
1. Burner orifice clogged
2. Improper gas pressure
1. Scale or sediment build up in
bottom of tank
2. Flue baffle loose
3. Condensation on main burner
1. Excessive water pressure
2. Excessive temperature
1. Anode rod dissolved
2. Excessive sediment build-up
3. High manganese content in
Bacteria formation inside water
tank
Aerated water
SVC900; Rev 1
Excessive condensation caused by
undersized heater.
Check for contaminant causing
chemicals near the heater.
Remove obstruction or debris from
heater or flue way.
Improve combustion air or
ventilation air supply.
Check and adjust.
Inspect and clean.
Clean burner plate.
Inspect and clean.
Inspect and clean.
Check and adjust.
Improve combustion air or
ventilation air supply.
Check and adjust.
Inspect and clean.
Check and adjust.
Install correct orifice.
Adjust thermostat to lower setting.
Check and replace control valve.
Check and clean.
Check and adjust.
Clean tank.
Reset and tighten.
Inspect for condensation (normal)
and tank leaks.
Install proper pressure reducing
valve on cold side.
Check for open or closed system.
Install expansion tank.
Check thermostat; lower setting or
replace gas valve.
Check anode rod and replace.
Drain tank; replace tank if
sediment build up is excessive.
Replace anode rod if deteriorated.
Add automatic chlorine feeder to
cold water inlet side of tank.
Allow a glass of hot water to set
for a few minutes. If the water
turns clear, the condition is a
natural occurrence.
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