
AERCO ProtoNode Gateway
User Manual
Page 118 of 126 AERCO International, Inc. • 100 Oritani Dr. • Blauvelt, NY 10913 OMM-0080_0H
11/06/2014 Ph.: 800-526-0288 GF-129
Appendix D: C-More Status and Fault Messages
Code Message Description
58
Inlet water temperature is getting too high.
59
Inlet water temperature is getting too low.
60
INLET GAS PRESS
SENSOR OPEN
Inlet gas pressure switch is open.
61
Gas plate differential pressure switch is open.
63
Oxygen sensor reading is out of range.
Oxygen level is too high.
Heater recirculation pump has malfunctioned.
Waiting for proof of ignition.
67
Flow input not registering when boiler is starting up.
No ignition current measured when igniter is energized.
Waiting for SSOV to prove open.
Ignition transformer is energized with SSOV closed.
TOO MANY CYCLES IN 24
HOURS
The number of cycles in 24 hour period has been exceeded.
TOO MANY OVRTMPS IN
24 HOURS
The number of over temperature events in 24 hour period has
been exceeded.
The inlet air sensor is out of range.
Auto Diagnostic Mode
ACTIVE
Auto Diagnostic Mode
COMPLETED
Auto Diagnostic Mode
ABORTED
Domestic Hot Water is enabled. Message shows when in
combo mode with a fault in the drive signal.
Informational message during slow shutdown mode.
BST NETWORK TEMP
SENSOR FAULT
The BST Modbus header temperature sensor is out of range.
BST NETWORK TEMP
COM FAULT
The BST Modbus failed to read the header temperature
sensor.
BST LOCAL HEADER
SENSOR FAULT
The BST direct connected header temperature sensor is out of
range.
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