UH1-DH1-SF-1L
Service Facts
25
DEFINITION:
The flame sense current is
less than 1 micro-amp DC
Disconnect
electrical power to
the furnace
Connect volt meter
leads in series with
flame sensor
Meter must be set up
for DC micro-amp
scale
Is flame current
measured less than
1.0 micro-amp DC?
Cycle power to
furnace and call
for heat
Replace flame
sensor
Check operation
Is flame sensor
located correctly?
See figure
YES
YES
Correct flame
sensor location
NO
Flame sensor is
good. Check
wiring and / or
connections.
NO
8 Flash Fault LED
Flame Sensor
Содержание DH1B040A9241C Series
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