AERCO C-More Controls Manual June 2010 - Manual (Page 57)

C-More Controller for Benchmark, Innovation & KC
USER MANUAL
04/22/14 AERCO International, Inc. • 100 Oritani Dr. • Blauvelt, New York 10913 Page 57 of 162
OMM-0032_0E Phone: 800-526-0288 GF-112
Table 4-2: Fault Messages - Continued
FAULT MESSAGE FAULT DESCRIPTION
REMOTE SETPT
SIGNAL FAULT
The remote setpoint signal is not present or is out of range.
OUTDOOR TEMP
SENSOR FAULT
The temperature measured by the Outdoor Air Sensor is out of
range.
OUTLET TEMP
SENSOR FAULT
The temperature measured by the Outlet Sensor is out of range.
FFWD TEMP
SENSOR FAULT
The temperature measured by the Feed-Forward (FFWD) Sensor is
out of range.
HIGH WATER
TEMPERATURE
The temperature measured by the Outlet Sensor exceeded the
Temp Hi Limit setting.
LINE VOLTAGE
OUT OF PHASE
The High AC voltage is out of phase from the low AC voltage.
STEPPER MOTOR
FAILURE
The stepper motor failed to move the valve to the desired position.
MODBUS COMM
FAULT
The RS485 (Modbus) network information is not present or is
corrupted.
WAIT IGNITION RETRY The unit is in Ignition Retry Mode. This is an informational
message.
WAIT FAULT PURGE The unit is purging after a fault. This is an informational message.
WAIT RETRY PAUSE The unit is pausing between ignition retries. This is an informational
message.
EXHAUST TEMP
SENSOR SHORT
The temperature measured by Exhaust temperature sensor reading
is out of range.
EXHAUST TEMP
SENSOR OPEN
The temperature measured by Exhaust temperature sensor reading
is out of range.
WARNING EXHAUST
TEMP HIGH
The exhaust temperature has exceeded the high Exhaust Temp
Limit. This is an informational warning.
EXHAUST TEMP HIGH The temperature measured by the Exhaust temperature sensor is
out of range.
INLET WATER TEMP
SENSOR SHORT
The temperature measured by the inlet water temp sensor is out of
range.
INLET WATER TEMP
SENSOR OPEN
The temperature measured by the Inlet water temperature sensor is
out of range.
WARNING IN WTR TEMP
HIGH
This is a warning that the inlet water temperature has exceeded its
high limit.
WARNING IN WTR TEMP
LOW
This is a warning that the inlet water temperature is below the low
limit.
INLET GAS PRESS
SENSOR OPEN
The inlet gas pressure sensor is reading out of range.
GAS PLATE DP SENSOR
OPEN
Not in use.
O2 PERCENTAGE LOW The O2 percentage is below its low limit for the fire rate.
O2 SENSOR
MALFUNCTION
The O2 sensor is reporting a fault condition.
WARNING O2 LEVEL
HIGH
The o2 percentage is above its high limit for the fire rate.
RECIRC PUMP FAILURE For water heaters. A recirculation pump condition has been
detected. The inlet water temperature matches the FFWD
temperature during operation for a predetermined amount of time.
IGNITION MONITOR Ignition time. For information only.
NO FLOW SAFETY
LOCKOUT
Not in use.