Desa CCL3930NTB Water Heater User Manual


 
111160-01B
For more information, visit www.desatech.com
For more information, visit www.desatech.com
24
TROUBLESHOOTING
Continued
POSSIBLE CAUSE
1. Metal expanding while heating or con-
tracting while cooling
1. Heater burning vapors from paint, hair
spray, glues, cleaners, chemicals, new
carpet, etc. (See
IMPORTANT
state-
ment above)
2. Gas leak. See Warning statement
at top of page
1. Not enough fresh air is available
2. Low line pressure
3. ODS/pilot is partially clogged
1. Gas leak. See Warning statement
at top of page
2. Control valve defective
1. Foreign matter between control valve
and burner
2. Gas leak. See Warning statement
at top of page
1. Thermostat sensing bulb needs to be
repositioned
OBSERVED PROBLEM
Heater produces a clicking/ticking noise
just after burner is lit or shut off
Heater produces unwanted odors
Heater shuts off in use (ODS operates)
Gas odor even when control knob is in OFF
position
Gas odor during combustion
Logs set cycles to pilot, but room tempera-
ture drops to a lower than ideal level before
log set comes back on
REMEDY
1. This is common with most heaters. If
noise is excessive, contact qualified
service person
1. Open window and ventilate room. Stop
using odor causing products while
heater is running
2. Locate and correct all leaks (see Check-
ing Gas Connections, pages 12 and 13)
1. Open window and/or door for ventilation
2. Contact local propane/LP or natural
gas company
3. Clean ODS/pilot (see Cleaning and
Maintenance, page 21)
1. Locate and correct all leaks (see Check-
ing Gas Connections, pages 12 and 13)
2. Replace control valve
1. Take apart gas tubing and remove for-
eign matter
2. Locate and correct all leaks (see Check-
ing Gas Connections, pages 12 and 13)
1. Reposition thermostat sensing bulb (see
Optional Positioning of Thermostat
Sensing Bulb, page 25
IMPORTANT:
Operating heater where impurities in air exist may create odors.
Cleaning supplies, paint, paint remover, cigarette smoke, cements and glues, new
carpet or textiles, etc., create fumes. These fumes may mix with combustion air and
create odors. These odors will disappear over time.
WARNING: If you smell gas
Shut off gas supply.
Do not try to light any appliance.
Do not touch any electrical switch; do not use any phone in your
building.
Immediately call your gas supplier from a neighbors phone. Follow
the gas suppliers instructions.
If you cannot reach your gas supplier, call the fire department.
TROUBLESHOOTING