A.O. Smith ADMR-115, Installation, User And Service Manual

Page: 75 / 98

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Instruction manual ADMR 75
F11 (blocking error)
Flame detection with
closed gas valve.
Defective gas valves See F07.
F12 (lock out error)
The flue gas backflow
safeguard is activated.
Chimney flue blocked 1. Check for blockages in the chimney flue pipe
2. Remove any blockages
3. Reset electronic controller. If the error cannot be resolved or is persistent, contact your
installation engineer
F13 (lock out error)
Flue damper not driven
by the motor
The motor fails to open
the flue damper
See F10 If the error cannot be resolved or is persistent, contact your
installation engineer
F14 (lock out error)
The microswitch fails to
monitor the position of
the flue damper
The microswitch fails to
detect the position of
the flue damper
1. Check that the red arrow on the motor goes fully to the right
and/or left
2. Check that the microswitch is activated when the damper
rotates
If the error cannot be resolved or is persistent, contact your
installation engineer
Symptom Cause Solution Remark