AERCO C-More Controls Manual June 2010 - Manual (Page 56)

C-More Controller for Benchmark, Innovation & KC
USER MANUAL
Page 56 of 162 AERCO International, Inc. • 100 Oritani Dr. • Blauvelt, New York 10913 04/22/14
GF-112 Phone: 800-526-0288 OMM-0032_0E
Table 4-2: Fault Messages
FAULT MESSAGE FAULT DESCRIPTION
HIGH WATER TEMP
SWITCH OPEN
The High Water Temperature Limit Switch is open.
LOW WATER
LEVEL
The Water Level Control board is indicating low water level.
LOW GAS
PRESSURE
The Low Gas Pressure Limit Switch is open.
HIGH GAS
PRESSURE
The High Gas Pressure Limit Switch is open.
INTERLOCK
OPEN
The Remote Interlock is open.
DELAYED
INTERLOCK OPEN
The Delayed Interlock is open.
AIRFLOW FAULT
DURING PURGE
The Blower Proof Switch opened during purge.
(see paragraph 4.2.1)
PRG SWTCH OPEN
DURING PURGE
The Purge Position Limit switch on the air/fuel valve opened during
purge.
IGN SWTCH OPEN
DURING IGNITION
The Ignition Position Limit switch on the air/fuel valve opened
during ignition.
IGN SWTCH CLOSED
DURING PURGE
The Ignition Position Limit switch on the air/fuel valve closed during
purge.
PRG SWTCH CLOSED
DURING IGNITION
The Purge Position Limit switch on the air/fuel valve closed during
ignition.
AIRFLOW FAULT
DURING IGN
The Blower Proof Switch opened during ignition.
AIRFLOW FAULT
DURING RUN
The Blower Proof Switch opened during run.
SSOV
SWITCH OPEN
The SSOV switch opened during standby.
SSOV FAULT
DURING PURGE
The SSOV switch opened during purge.
SSOV FAULT
DURING IGN
The SSOV switch closed or failed to open during ignition.
SSOV FAULT
DURING RUN
The SSOV switch closed for more than 15 seconds during run.
SSOV RELAY
FAILURE
A failure has been detected in one of the relays that control the
SSOV.
FLAME LOSS
DURING IGN
The Flame signal was not seen during ignition or lost within 5
seconds after ignition.
FLAME LOSS
DURING RUN
The Flame signal was lost during run.
(see paragraph 4.2.2)
HIGH EXHAUST
TEMPERATURE
The High Exhaust Temperature Limit Switch is closed.
RESIDUAL
FLAME
The Flame signal was seen for more than 30 seconds during
standby.
HEAT DEMAND
FAILURE
The Heat Demand Relay on the Ignition/Stepper (IGST) board
failed to activate when commanded.
IGN BOARD
COMM FAULT
A communication fault has occurred between the Primary Micro-
Controller (PMC) board and Ignition/Stepper (IGST) board.
DIRECT DRIVE
SIGNAL FAULT The direct drive signal is not present or is out of range.