O 2 Trim Messages - Watts AERCO Edge [ii] Operation Manual

Edge [ii] Controller Operation Manual
SECTION 10 – STARTUP, STATUS, FAULT MESSAGES
TABLE 10-1: Edge Controller Fault Messages
# FAULT MESSAGE
99 Delta-T Activated
100 Delta-T Shutdown
101 Back Up Manager is not Compatible
102 IO Board Communication Failed
103 SH Swing Valve Fault
104 DHW Swing Valve Fault
No BAS Communication
105
106 BST Warm Weather Shutdown
107 Warm Weather Shutdown
DHW Header Temp BAS Comm Fault
108
BST Header Temp BAS Comm Fault
109
Supply Return Temp BAS Comm Fault
110
Outdoor Temp BAS Comm Fault
111
112 BST Return Sensor Short Warning
113 BST Return Sensor Open Warning
114 DHW Header Network Sensor Fault
115 DHW Header Network Comm Fault
116 Supply Return Network Sensor Fault
117 Supply Return Network Comm Fault
10.2 O TRIM MESSAGES
2
The Edge Controller displays the following O
appropriate.
TABLE 10-2: Edge Controller O2 Trim Messages
FAULT MESSAGE
O2 Cal Purge
O2 Auto Calibration In Progress
Autocal Finished
•
OMM-139_E 8/25/2020
DESCRIPTION
Delta-T temperature is out of user defined delta
limit.
The unit shut down due to exceeding allowable
Delta-T value.
The unit designated as the Backup Manager is
not compatible with Manager functionality.
I/O board communication has failed.
Space Heating side swing valve failed
Domestic hot water side swing valve failed
No communication from the Building
Automation system
BST warm weather shutdown warning
Standalone warm weather shutdown warning
BAS failed to update the DHW temperature
periodically
BAS failed to update the BST header
temperature periodically
BAS failed to update the supply return
temperature periodically
BAS failed to update the outdoor temperature
periodically
BST return sensor is shorted. Check the wirings.
BST return sensor is disconnected
DHW header network sensor temperature is out
of range.
No communication response from the DHW
header network sensor
Supply Return Network Sensor temperature is
out of range.
No communication response from the supply
return network sensor
Trim Status and Warning messages when
2
Type
Status O
2
Status O
2
Status O
2
Technical Support • (800) 526-0288 • Mon-Fri, 8 am - 5 pm EST
MESSAGE DESCRIPTION
auto-calibration purge has started
auto-calibration is underway
auto-calibration has completed
TYPE
Warning
Warning
Warning
Warning
Warning
Warning
Warning
Warning
Warning
Warning
Warning
Warning
Warning
Warning
Warning
Warning
Warning
Warning
Warning
Page 191 of 196