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34-55 08/14
9.9 LED Display Alarm Messages
Alarm messages are displayed in t upper LED readout and alternate with the default display. An alarm LED ICON is
also illuminated. (See TempTrac User Manual 34-80 for full description.)
ALARM
MESSAGE
CAUSE
RESULTS OF ALARM CONDITION
RECOMMENDED
ACTION
“P1”
TP1 probe failure
Inlet temperature sensor is not connected or
is reading incorrectly. Call for heat and burner
modulation output signal will revert to low fire.
Check wiring and sensor
Terminals 14 & 17
“P2”
TP2 probe failure
Temperature sensor is not connected or is
reading correctly. Freeze protection is
disabled.
Check wiring and sensor
Terminals 15 & 17
“P3”
TP3 probe failure
Temperature sensor is not connected or is
reading correctly. Outdoor reset disabled.
Warm weather shutdown disabled.
Check wiring and sensor
Terminals 16 & 17
“HA”
High temperature limit
setpoint exceeded
Buzzer sounds, operation continues
Manual reset required
“LA”
Low temperature
alarm
Buzzer sounds, operation continues
HP
High gas pressure
alarm
Unit deenergized after timer delay
Manually reset required
LP
Low gas pressure
alarm
Unit deenergized after timer delay
Manually reset required
Mn1
Maintenance alarm
for output 1
Buzzer sounds, operation continues
Check wiring and sensor
Mn2
Maintenance alarm
for output 2
Buzzer sounds, operation continues
Check wiring and sensor
Mn3
Maintenance alarm
for output 3
Buzzer sounds, operation continues
Check wiring and sensor
“rtc”
The real time clock
has lost its setting
Energy saving function disabled
Reprogram clock
“rtF”
Real time clock failure Energy saving function disabled
Replace control
