AM Series Boiler & Water Heater User Manual
CHAPTER 9
– OPERATION
OMM-0100_E
•
GF-146
•
11/15/2019
Technical Support
•
(800) 526-0288
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Mon-Fri, 8 am - 5 pm EST Page 121 of 170
Blocking Error Messages
ERR#
DESCRIPTION
CHECKS
SOLUTIONS
Err 87
Reset button error
Too many reset button pushes
within 60 sec. period.
Err 93
Appliance selection
error
Check the list of 3000 parameters
(Appendix B).
Err 107
Internal software error
-
Replace the power control board.
Err 108
Err 109
Error happening to
burners 2, 3 or 4
When burner 1 (MASTER) goes in a
general error, it stops burners 2, 3
and 4 generating an
“
Err 109
”
Resolve the error to burner 1 (MASTER)
Err 110
Flapper valve not
open error
a)
Check for any obstruction into the
exhaust system.
b)
Check if the fan is running.
c)
Check the
fl
apper valve and its
control sensor.
a)
Remove the obstruction from
fl
ue exhaust.
b)
Replace the fan or the power control board.
c)
Replace the
fl
apper valve or its control sensor.
Err 111
Flapper valve not
closed error
Check the
fl
apper valve and its
control sensor.
Replace the
fl
apper valve or its control sensor.
Err 112
Internal software error
-
Replace the power control board.
Err 113
Err 114
Too low water
fl
ow
Check water
fl
ow into the system
(parameter 1062), it
must be higher
than parameter 3035.
Increase the water
fl
ow into the system.
Check for any obstructions in the water system
inlets.
Err 115
Multiple burner
master failure
-
Reset via 3013 parameter.
Err 116
Multiple burner
communication
failure. (This error will
stop all modules.)
a)
Bus communication interrupted.
b)
Burner is not working.
a)
Check for bus communication.
b)
Restore the burner that has its light off.
NO
CONN
Microprocessor in
lockout
a)
Check if water pressure sensor
wires are in short circuit.
b)
Check if water flow meter wires
are in short circuit.
c)
Check display wires are
connected to burner 1
(MASTER).
a)
If not in short circuit try to replace the water
pressure sensor (or disconnect it via 3000
menu).
b)
If not in short circuit try to replace the water
flow meter (or disconnect it via 3000 menu).
c)
If not any of the above try to replace the power
control board or the display.
9.21 Blocked Flue Pressure Switch
The AM Series units are equipped with a blocked flue pressure switch safety that shuts down
the unit when the flue exhaust vent pipe is blocked. If this pressure switch shuts off the unit (Loc
25), do not attempt to place the bo
iler in operation but rather, contact a qualified service agency
or technician able to reset the unit after checking for any potential dangerous situations.
