Watts AERCO Edge [ii] Operation Manual page 188

Edge [ii] Controller Operation Manual
SECTION 10 – STARTUP, STATUS, FAULT MESSAGES
TABLE 10-1: Edge Controller Fault Messages
# FAULT MESSAGE
12 Interlock Open
13 Delayed Interlock Open
14 Airflow Fault During Purge
15 SSOV Fault During Purge
16 Prg Switch Open During Purge
17 Ign Switch Open During Ignition
18 Airflow Fault During Ign
19 Airflow Fault During Run
20 SSOV Fault During Ignition
21 SSOV Fault During Run
22 Flame Loss During Ignition
23 Flame Loss During Run
24 High Exhaust Temp Switch
25 Loss of Power
26 Loss of Sensor
27 Loss of Signal
28 High O2 Level
29 Low O2 Level
30 High CO Level
31 SSOV Relay Failure
32 Residual Flame
33 Heat Demand Failure
34 Ign Switch Closed During Purge
35 Prg Switch Closed During Ign
36 SSOV Switch Open
37 Ign Board Comm Fault
38 Wait
39 Direct Drive Signal Fault
•
OMM-139_E 8/25/2020
DESCRIPTION
The Remote Interlock is open.
The Delayed Interlock is open.
The Blower Proof switch opened during purge, or
air inlet is blocked.
The SSOV switch opened dug purge.
The Purge Position Limit switch on the Air/Fuel
Valve was open during purge.
The Ignition Position Limit switch on the Air/Fuel
Valve opened during ignition.
The Blower Proof switch opened during ignition.
The Blower Proof switch opened during run.
The SSOV switch closed or failed to open during
ignition.
The SSOV switch closed for more than 15
seconds during run.
The Flame signal was not seen during ignition or
lost within 5 seconds after ignition.
The Flame signal was lost during run.
The High Exhaust Temp switch is open.
The unit shut down due to loss of power
Not used
Not used
The O Sensor reading is above acceptable
2
level.
The O Sensor reading is below acceptable level.
2
Not used
A failure has been detected in one of the relays
that control the SSOV.
The Flame signal was seen for more than 60
seconds during standby.
The unit failed to fulfill the demand for heat.
The Ignition Position Limit switch on the Air/Fuel
Valve closed during purge.
The Purge Position Limit switch on the Air/Fuel
Valve was stuck closed during ignition.
The SSOV switch opened during standby.
A communication fault has occurred between the
PMC board and Ignition board.
The unit is waiting for a process to run to
completion.
The direct drive signal is not present or is out of
range.
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TYPE
Fault, Manual
Reset
Fault, Manual
Reset
Fault, Manual
Reset
Fault, Manual
Reset
Fault, Manual
Reset
Fault, Manual
Reset
Fault
Fault, Manual
Reset
Fault, Manual
Reset
Fault, Manual
Reset
Fault, Manual
Reset
Fault, Manual
Reset
Fault, Manual
Reset
Fault
Not used
Not used
Fault
Fault
Not used
Fault, Manual
Reset
Fault, Manual
Reset
Fault, Manual
Reset
Fault, Manual
Reset
Fault, Manual
Reset
Fault, Manual
Reset
Fault
Message
Fault
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