Lennox LRP16G User Manual

Page 19
Ignition Control LED Codes
The ignition control LED ashes codes which indicate
normal or abnormal operations:
Table 4. Fault Codes
LED Status Flashing Rate Fault Description
Slow Flash
One ash per
second
Normal operation:
No call for heat
Fast Flash
Two ashes per
second
Normal operation:
Call for heat
2 Flash
Two ashes in
second with
1-second pause
System lockout:
Failed to detect or
sustain ame
3 Flash
Three ashes in
1.5 seconds with
1-second pause
Pressure switch senses
incorrect pressure or gas
valve coil is open.
4 Flash
Four ashes in
2 seconds with
1-second pause
High limit or rollout
switch open
5 Flash
Five ashes in
2.5 seconds with
1-second pause
Flame sensed and gas
valve not energized
Steady --
Internal failure:
Micro-controller failure;
self-check

Lennox LRP16G Specifications

General

Brand	Lennox
Model	LRP16G
Category	Heat Pump
Language	English