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SECTION 7
Hydronic-PURE-Control-UserManual-211214
BMS INTEGRATION
7-23
Information on “Alarm Info Screen”
Alarm Index
Alarm Name
Alarm Screen
Description
Alarm Screen Solution
Error Code
Error Diagnostic
Code
Alarm Originator
Alarm Notes
261
O
2 Sensor Failed
Purge Test
The O2 sensor failed
to register properly
during purge.
Check O2 sensor opera-
tion.
1021
0
PLC
Just a warn-
ing. The O2
board failed
to register
a minimum
of 20.00%
O2 while in
pre-purge.
This warning
is just letting
the customer
know there
may be an
issue with the
O2 sensor. It
will try the
system again
with the
next call for
heat. In the
meantime,
the boiler
will run at 5:1
turndown
instead.
262
PLC Battery Low
Replace PLC Battery
Soon. Battery Model:
CR2032 3Volt.
1022
0
PLC
263
PLC Batter Dead
or Missing
The PLC Battery has
either died or been
removed. The Battery
is required for proper
functionality. Replace
battery with CR2032
3Volt.
1023
0
PLC
