A.O. Smith BFM - 100, Инструкция по установке и обслуживанию

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Instruction manual BFM 61
Burner control reset
button (burner control
lock out error)
There are three possible causes for this error. In order to determine the cause, you must
cause the error to appear again:
1. Reset the appliance by pressing the reset button 1x
2. Cause (a) occurs between step 4 and step 5 of the heating cycle
3. Cause (b) occurs in step 5 or 6
4. Cause (c) occurs in step 7
see the appliance's heating cycle (9.3 "The appliance's heating
cycle")
(a) Continuous failure
in the safety circuit
1. Check whether the thermostat is defective
2. Check whether the sensor of the thermostat is defective
3. Check the leads of the thermostat If the error cannot be resolved or is persistent, contact your
installation engineer
(b) Failed start attempt No gas:
1. Check that the gas valve is open
2. Check whether the gas control is opening (clicking of the gas
control)
3. Check the leads of the gas control
If the error cannot be resolved or is persistent, contact your
installation engineer
No ignition:
1. Check whether the spark igniter is sparking in the pilot flame
cap
2. Check the leads of the glow igniter
3. Check whether the spark igniter is correctly mounted in the
bracket
No flame detection:
1. Check whether the flame probe is defective
2. Check that the flame probe leads are properly connected
(c) Failure in the safety
circuit during heating
(the safety thermostat
has switched)
1. Check whether the control thermostat is working
2. Check whether the high-limit thermostat is working
3. Check that the circulation pump (if present) is working If the error cannot be resolved or is persistent, contact your
installation engineer
Symptom Cause Solution Remark