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13. ALARMS
Alarm messages are displayed in the lower display of the TempTrac and are alternated with the default message.
These alarm messages are displayed together with the icon devoted to signalling the alarm conditions.
Message Cause
Outputs and information
“P1”
TP1 probe failure. Open or
shorted
Audible alarm sounds. Output 1 and 2, if depending on the probe, open;
modulation output, if depending on the probe, according to the PP4
parameter. Inspect probe 1; Screw terminals 14 & 17.
“P2”
TP2 probe failure. Open or
shorted
Audible alarm sounds. Output 3 open. Inspect probe 2; Screw terminals
15 & 17.
“P3”
TP3 probe failure. Open or
shorted
Audible alarm sounds. Dynamic reset of St1 disabled. Warm weather shut
down disabled. Flue Gas Temperature Protection disabled.
Inspect probe 3; Screw terminals 16 & 17.
“HA”
High-temperature limit set point
exceeded
Audible alarm sounds, operation continues. see
ALu.
“LA”
Low-temperature alarm
Audible alarm sounds, operation continues. see
ALL.
“AL1”
Digital Input 1 ACTIVE and
configured as Alarm
Opens Output 1. Subject to “need” for Output 1, and
i1d
. Automatic
recover if the need for Output 1 is gone. With the loss of Input 1 signal,
alarm is still active until a button is pressed. See
i1F
,
i1P
,
i1d
.
“AL2”
Digital Input 2 is ACTIVE for
one or more of the conditions
listed in section Audible Alarm
Audible alarm sounds. There is a time delay before this alarm is ACTIVE.
Opens all temperature controlled outputs. Lockout condition. See
oS2
,
i2d
,
i2P
,
i2F.
“AL3”
Digital Input 3 is ACTIVE for
one or more of the conditions
listed in section Audible Alarm
Audible alarm sounds. There is a time delay before this alarm is ACTIVE.
Opens all temperature controlled outputs. Lockout condition. This is also
the alarm for the ALMMB or ALOAF option code sometimes referred to as
Alarm On Failure. See
i3d
,
i3F
,
i3P.
“Nn1”
Maintenance alert for call-for-
heat
Audible alarm sounds, operation continues. Maintenance Required; hours
on
ou1
exceed setting in
oP1
. Clear
ou1
(
Flashing).
“Nn2”
Maintenance alert for second
stage
Audible alarm sounds, operation continues. Maintenance Required; hours
on
ou2
exceed setting in
oP2
. Clear
ou1
(
Flashing).
“Nn3”
Maintenance alert for freeze
protection
Audible alarm sounds, operation continues. Maintenance Required; hours
on
ou3
exceed setting in
oP3
. Clear
ou1
(
Flashing).
“rtc”
The real time clock has lost its
setting
Energy saving functions disabled. (Can occur after powered down for
extended time.)
“rtF”
Real time clock failure
Energy saving functions disabled. (TempTrac
®
requires replacement.)
