34
INSTALLATION MANUAL
PROBLEM
J. Main burner ignites, but goes
out again after approx. 22 se-
conds
POSSIBLE CAUSE
1. Wiring of thermocouple 2 is loose.
2. Wires of thermocouple 2 have been
cross-connected.
3. Short-circuit in the wiring of ther-
mocouple 2.
4. Broken wire in the wiring of ther-
mocouple 2.
5. Thermocouple 2 is dirty.
6. Thermocouple 2 is not positioned
correctly in the ame (see g. 5b.)
7. Thermocouple 2 is defective.
8. Receiver is defective.
REMEDY
1. Connect the wiring properly.
2. Connect the wiring properly.
3. Replace wiring.
4. Replace wiring.
5. Clean the thermocouple.
6. Position the thermocouple
correctly in the ame.
7. Check the voltage across ther-
mocouple 2 just before the main
burner goes out.
If the voltage is lower than 1.8 mV,
replace thermocouple 2.
8. Check the voltage across ther-
mocouple 2 just before the main
burner goes out.
If the voltage is higher than 1.8 mV,
replace the receiver.
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