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AM Series Boiler & Water Heater User Manual
CHAPTER 9 – OPERATION
LOC# DESCRIPTION
Loc
Internal software error
30
Five times flame
lost during one
demand
Loc 31
Loc
Internal software error
32 to
37
Flue sensor does
not increase
Loc
temperature
38
when burner on
9.20 Diagnostics – Blocking (Err) Errors
Blocking errors are generated by a permanent fault. There is no way to unlock the unit other
than to resolve the cause of the fault.
To reset a lockout error, do the following:
Resetting the Unit after a Blocking (Err) Error
1.
When the boiler goes into lockout, the
the burner icon(s) (
RESET
2.
Press the
3.
To resolve the error, consult the table of Error (Err) messages in the chart below and
attempt to diagnose and resolve the problem.
4.
To return the display to normal function, press and hold down the
5 seconds.
ERR#
DESCRIPTION
Self Checking
Err 0
Err
Internal software error
45 to 53
Flame detected, but
Err 54
not observed.
Low water pressure
Err
error
55 to 58
OMM-0100_E • GF-146 • 11/15/2019
Lockout Error Messages
CHECKS
a) Check detection electrode.
b) Check for any obstruction on air inlet /
flue exhaust system.
c) Check for any air inlet contamination from
combustion gas (e.g. flue exhaust terminal
too much near air inlet terminal).
a) Check if flue temperature sensor
match section 10.24
b) Check if flue gas sensor reading
(parameter 1006) increases its
temperature when burner is on.
,
,
, or
button once and the lockout error number will show in the display.
Blocking Error Messages
CHECKS
Not needed
-
Check pressure sensor.
Technical Support • (800) 526-0288 • Mon-Fri, 8 am - 5 pm EST
Replace the power control board
a) Try to replace detection electrode.
b) Remove any obstruction.
c) Remove the cause of the air inlet contamination.
Replace the power control board
a) If temperature sensor does not match section
10.24, it must be replaced.
b) If temperature does not increase replace the flue
gas sensor or the control board.
icon will show in the control panel display and
) associated with the lockout will blink.
RESET
a) During startup, display shows "Err 0"
temporarily, because it's doing its own self
checking.
Replace the power control board.
Replace the power control board.
Replace the pressure sensor.
SOLUTIONS
button for at least
SOLUTIONS
Page 119 of 170
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