COZY BFT102 and Руководство по установке и эксплуатации - Страница 15
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vent free heaters
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Печатать страницуTROUBLE
SHOOTING
GUIDE
(for qualified serviceman)
ODS will not remain
lit when control
knob is released
SYMPTOM
POSSIBLE
CAUSES
CORRECTIVE
ACTION
No spark at ODS
1. Ignitor wire off ODS or Piezo.
1. Check and re-attach ignitor wire.
2. Ignitor wire shorting out on casing.
2. Move ignitor wire.
3. Detective piezo iNlitor.
3. Replace Piezo imfitor.
4. Wrong gap fiom electrode.
4. Set gap at 3/16".
Spark but no ignition
1. No gas to heater.
1. Check and turn on gas.
at ODS
2. Air in gas line.
2. Hold in pilot knob to bleed air from gas line.
3. Blocked ODS orifice.
3. Blow out ODS with low pressure air hose.
1. Safety interlock system activated.
ODS lights but main
burner does not
Delayed ignition
2. Control knob not held in long
enough.
3. Control knob not in "PILOT"
position.
4. Thermocouple loose at gas valve.
5. Defective thermocouple.
6. Defective gas valve.
7. Air in line.
1.
2.
1. Wkaitfive minutes between re-ignition
attempts.
2. Press in control knob, light ODS and hold
control knob in for one minute.
3. Turn control knob to "OFF" then without
pushing down turn knob counterclockwise
until knob stops turning. Push
knob down completely at this point.
4. Tighten thennocouple
into gas valve.
5. Replace thennocouple
(hand tighten plus
1/4 turn with WlTench).
6. Replace gas valve.
7. Bleed all air from gas line.
Control knob not in "ON" position.
1.
Burner orifice blocked.
2.
3. Gas supply pressure tow.
4. Weak thennocouple.
5. Defective gas valve.
1. Low gas supply pressure.
2. Burner orifice blocked.
3.
4.
5.
3. Low manifold pressure.
4. ODS not in correct location.
Turn control knob to "ON".
Clean burner orifice with low pressure
air hose.
Check supply pressure. Call gas supplier.
Replace ODS.
Replace gas vane.
1. Check supply pressure. Call gas supplier.
2. Clean burner orifice with low pressure
air hose.
3. Check and replace re mltator if necessary.
4. Make sure ODS is properly mounted to
burner bracket.
Flashback
1. Improper orifice burner aliglnnent.
1. Correct aliNnnent.
2. Gas supply pressure low.
2. Check supply pressure. Call gas supplier.
1. Blocked ODS.
2. Low gas supply presure.
3. Not an adequate supply of
combustion and ventilation air.
4. Heater located in drafty area.
Heater shuts off during
normal operation
1. Clean ODS. See maintenance section.
2. Check supply pressure. Callgas supplier.
3. See "Provisions for adequate combustion
and ventilation air" on Page 4 of
instructions.
4. Re-locate heater.
Page 15