User Manual Owner's manual

AM Series Boilers and Water Heaters
CHAPTER 5 – OPERATION
Page 110 of 156 AERCO International, Inc. • 100 Oritani Dr. • Blauvelt, NY 10913 OMM-0100_0B
PRI - 07/14/14 Ph.: 800-526-0288 GF-146
5.5 Diagnostics: Status Display
During normal operation, the following diagnostic information may be shown in the display:
Figure 5-6: Diagnostic Status Display – Boilers and Water Heaters
5.6 Diagnostics – Blocking (Loc) Errors
Lockout errors will stop the unit from functioning until the error is resolved and the unit is reset.
See Figure 7 for a chart of possible Lock Errors, with solutions.
To reset a lockout error, do the following:
Resetting the Unit after a Lockout Error
1. When the boiler goes into lockout, the icon will show in the control panel display and
the burner icon(s) ( , , , or ) associated with the lockout will blink.
2. Press the
RESET button once and the lockout error number will show in the display.
3. To attempt to reset the unit, press and hold down the
RESET button for at least 5 seconds,
which should return the display to its normal function.
4. If the unit cannot be reset in this way, consult the table of Lockout error messages in Figure
5-7, and attempt to diagnose and resolve the problem before attempting to reset the unit
again.